PBDB

Opinions from J. F. Clements et al. 2017

'Acanthis belongs to Fringillidae'
'Acanthizidae belongs to Passeriformes'
'Accipiter belongs to Accipitridae'
'Accipiter haplochrous belongs to Accipiter' according to Sclater 1859
'Accipiter madagascariensis belongs to Accipiter' according to Verreaux 1833
'Accipiter madagascariensis belongs to Accipiter'
'Accipiter striatus belongs to Accipiter'
'Accipitridae belongs to Accipitriformes'
'Aceros belongs to Bucerotidae'
'Acridotheres belongs to Sturnidae'
'Acrocephalidae belongs to Passeriformes'
'Acrocephalus belongs to Acrocephalidae'
'Acrocephalus kerearako belongs to Acrocephalus' according to Holyoak 1974
'Acrocephalus kerearako belongs to Acrocephalus'
'Acrocephalus mendanae belongs to Acrocephalus' according to Tristram 1883
'Acrocephalus mendanae belongs to Acrocephalus'
'Acrocephalus taiti belongs to Acrocephalus' according to Ogilvie-Grant 1913
'Acrocephalus taiti belongs to Acrocephalus'
'Acrulocercus bishopi is recombined as Moho bishopi'
'Actitis belongs to Scolopacidae'
'Aechmophorus belongs to Podicipedidae'
'Aegialitis is a subjective synonym of Charadrius'
'Aegialitis nivosa belongs to Aegialitis' according to Cassin 1858
'Aegialitis nivosa is recombined as Charadrius nivosus'
'Aegialitis sanctaehelenae is recombined as Charadrius sanctaehelenae'
'Aegolius belongs to Strigidae'
'Aegotheles belongs to Aegothelidae'
'Aegotheles savesi belongs to Aegotheles' according to Layard and Layard 1881
'Aegotheles savesi belongs to Aegotheles'
'Aegothelidae belongs to Caprimulgiformes'
'Aegypius belongs to Accipitridae'
'Aerodramus belongs to Apodidae'
'Aerodramus sawtelli belongs to Aerodramus'
'Aerodramus sawtelli belongs to Aerodramus' according to Holyoak 1974
'Aestrelata arminjoniana belongs to Aestrelata' according to Giglioli and Salvadori 1869
'Aestrelata arminjoniana is recombined as Pterodroma arminjoniana'
'Aestrelata cahow is recombined as Pterodroma cahow'
'Aestrelata magentae belongs to Aestrelata' according to Giglioli and Salvadori 1869
'Aestrelata magentae is recombined as Pterodroma magentae'
'Aethia belongs to Alcidae'
'Afropavo belongs to Phasianidae'
'Afropavo congensis belongs to Afropavo' according to Chapin 1936
'Afropavo congensis belongs to Afropavo'
'Agapornis belongs to Psittaculidae'
'Agapornis coelestis belongs to Agapornis' according to Lesson 1847
'Agapornis coelestis is recombined as Forpus coelestis'
'Agelaius belongs to Icteridae'
'Aimophila belongs to Passerellidae'
'Aix belongs to Anatidae'
'Ajaja is a subjective synonym of Platalea'
'Akialoa belongs to Fringillidae'
'Alauda belongs to Alaudidae'
'Alauda alpestris is recombined as Eremophila alpestris'
'Alauda arborea is recombined as Lullula arborea'
'Alauda arvensis belongs to Alauda'
'Alauda brachydactila belongs to Alauda' according to Leisler 1814
'Alauda brachydactila is recombined as Calandrella brachydactyla'
'Alauda calandra is recombined as Melanocorypha calandra'
'Alauda calandra belongs to Alauda' according to Linnaeus 1766
'Alauda cristata is recombined as Galerida cristata'
'Alauda leucoptera belongs to Alauda' according to Pallas 1811
'Alauda leucoptera belongs to Alauda'
'Alauda magna is recombined as Sturnella magna'
'Alauda novaeseelandiae belongs to Alauda' according to Gmelin 1789
'Alauda novaeseelandiae is recombined as Anthus novaeseelandiae'
'Alauda pratensis is recombined as Anthus pratensis'
'Alauda spinoletta is recombined as Anthus spinoletta'
'Alauda trivialis is recombined as Anthus trivialis'
'Alaudidae belongs to Passeriformes'
'Alca belongs to Alcidae'
'Alca antiqua is recombined as Synthliboramphus antiquus'
'Alca arctica is recombined as Fratercula arctica'
'Alca cirrhata is recombined as Fratercula cirrhata'
'Alca cristatella belongs to Alca' according to Pallas 1769
'Alca cristatella is recombined as Aethia cristatella'
'Alca grylle is recombined as Cepphus grylle'
'Alca lomvia is recombined as Uria lomvia'
'Alca monocerata belongs to Alca' according to Pallas 1811
'Alca monocerata is recombined as Cerorhinca monocerata'
'Alca psittacula belongs to Alca' according to Pallas 1769
'Alca psittacula is recombined as Aethia psittacula'
'Alca pygmaea belongs to Alca' according to Gmelin 1789
'Alca pygmaea is recombined as Aethia pygmaea'
'Alca torda belongs to Alca'
'Alcedinidae belongs to Coraciiformes'
'Alcedo belongs to Alcedinidae'
'Alcedo alcyon is recombined as Megaceryle alcyon'
'Alcedo chloris belongs to Alcedo' according to Boddaert 1783
'Alcedo chloris is recombined as Todiramphus chloris'
'Alcedo novaeguineae belongs to Alcedo' according to Hermann 1783
'Alcedo novaeguineae is recombined as Dacelo novaeguineae'
'Alcedo torquata is recombined as Megaceryle torquata'
'Alcedo tuta belongs to Alcedo' according to Gmelin 1788
'Alcedo tuta is recombined as Todiramphus tutus'
'Alcidae belongs to Charadriiformes'
'Alectoris belongs to Phasianidae'
'Alectroenas belongs to Columbidae'
'Alisterus belongs to Psittaculidae'
'Alle belongs to Alcidae'
'Allenia belongs to Mimidae'
'Alopecoenas belongs to Columbidae'
'Alopecoenas norfolkensis belongs to Alopecoenas' according to Forshaw 2015
'Alopecoenas norfolkensis belongs to Alopecoenas'
'Amaurornis belongs to Rallidae'
'Amazona belongs to Psittacidae'
'Ammodramus belongs to Passerellidae'
'Ammodromus ruficeps belongs to Ammodromus' according to Cassin 1852
'Ammodromus ruficeps is recombined as Aimophila ruficeps'
'Amphispiza belongs to Passerellidae'
'Amytornis belongs to Maluridae'
'Anarhynchus belongs to Charadriidae'
'Anarhynchus frontalis belongs to Anarhynchus' according to Quoy and Gaimard 1830
'Anarhynchus frontalis belongs to Anarhynchus'
'Anas belongs to Anatidae'
'Anas acuta belongs to Anas'
'Anas albeola is recombined as Bucephala albeola'
'Anas americana is recombined as Mareca americana'
'Anas angustirostris belongs to Anas' according to Ménétriés 1832
'Anas angustirostris is recombined as Marmaronetta angustirostris'
'Anas anser is recombined as Anser anser'
'Anas arborea is recombined as Dendrocygna arborea'
'Anas atrata is recombined as Cygnus atratus'
'Anas autumnalis is recombined as Dendrocygna autumnalis'
'Anas bahamensis belongs to Anas'
'Anas bernicla is recombined as Branta bernicla'
'Anas bicolor belongs to Anas' according to Vieillot 1816
'Anas bicolor is recombined as Dendrocygna bicolor'
'Anas boschas is a subjective synonym of Anas platyrhynchos'
'Anas caerulescens is recombined as Anser caerulescens'
'Anas canadensis is recombined as Branta canadensis'
'Anas carolinensis is recombined as Anas crecca carolinensis'
'Anas chlorotis belongs to Anas'
'Anas clangula is recombined as Bucephala clangula'
'Anas clypeata is recombined as Spatula clypeata'
'Anas collaris is recombined as Aythya collaris'
'Anas columbianus is recombined as Cygnus columbianus'
'Anas crecca belongs to Anas'
'Anas cyanoptera is recombined as Spatula cyanoptera'
'Anas cygnus is recombined as Cygnus cygnus'
'Anas discors is recombined as Spatula discors'
'Anas dominica belongs to Anas' according to Linnaeus 1766
'Anas dominica is recombined as Nomonyx dominicus'
'Anas erythrophthalma belongs to Anas' according to zu Wied 1833
'Anas erythrophthalma is recombined as Netta erythrophthalma'
'Anas erythropus is recombined as Anser erythropus'
'Anas erythrorhyncha belongs to Anas' according to Gmelin 1789
'Anas erythrorhyncha belongs to Anas'
'Anas fabalis belongs to Anas' according to Latham 1787
'Anas fabalis is recombined as Anser fabalis'
'Anas ferina is recombined as Aythya ferina'
'Anas ferruginea belongs to Anas' according to Pallas 1764
'Anas ferruginea is recombined as Tadorna ferruginea'
'Anas flavirostris belongs to Anas' according to Vieillot 1816
'Anas flavirostris belongs to Anas'
'Anas formosa belongs to Anas' according to Georgi 1775
'Anas formosa is recombined as Sibirionetta formosa'
'Anas fuligula is recombined as Aythya fuligula'
'Anas fusca is recombined as Melanitta fusca'
'Anas galericulata is recombined as Aix galericulata'
'Anas gambensis belongs to Anas' according to Linnaeus 1766
'Anas gambensis is recombined as Plectropterus gambensis'
'Anas gracilis belongs to Anas'
'Anas gracilis belongs to Anas' according to Buller 1869
'Anas histrionicus is recombined as Histrionicus histrionicus'
'Anas hybrida belongs to Anas' according to Molina 1782
'Anas hybrida is recombined as Chloephaga hybrida'
'Anas hyemalis is recombined as Clangula hyemalis'
'Chen hyperborea is a subjective synonym of Anser caerulescens'
'Anas islandica belongs to Anas' according to Gmelin 1789
'Anas islandica is recombined as Bucephala islandica'
'Anas jamaicensis is recombined as Oxyura jamaicensis'
'Anas laysanensis belongs to Anas' according to Rothschild 1892
'Anas laysanensis belongs to Anas'
'Anas leucocephala is recombined as Oxyura leucocephala'
'Anas leucocephala belongs to Anas' according to Scopoli 1769
'Anas leucopsis belongs to Anas' according to Bechstein 1803
'Anas leucopsis is recombined as Branta leucopsis'
'Anas lobata is recombined as Biziura lobata'
'Anas malacorhynchos is recombined as Hymenolaimus malacorhynchos'
'Anas marila is recombined as Aythya marila'
'Anas melleri belongs to Anas' according to Sclater 1865
'Anas melleri belongs to Anas'
'Anas membranaceus belongs to Anas' according to Latham 1801
'Anas membranaceus is recombined as Malacorhynchus membranaceus'
'Anas mollissima is recombined as Somateria mollissima'
'Anas moschata is recombined as Cairina moschata'
'Anas nigra is recombined as Melanitta nigra'
'Anas novaeseelandiae belongs to Anas' according to Gmelin 1789
'Anas novaeseelandiae is recombined as Aythya novaeseelandiae'
'Anas nyroca belongs to Anas' according to Güldenstädt 1770
'Anas nyroca is recombined as Aythya nyroca'
'Anas obscura belongs to Anas' according to Gmelin 1788
'Anas obscura is replaced by Anas rubripes'
'Anas obscura fulvigula belongs to Anas obscura' according to Ridgway 1874
'Anas obscura fulvigula is recombined as Anas fulvigula'
'Anas obscura rubripes belongs to Anas obscura' according to Brewster 1902
'Anas obscura rubripes is recombined as Anas rubripes'
'Anas olor belongs to Anas' according to Gmelin 1789
'Anas olor is recombined as Cygnus olor'
'Anas penelope is recombined as Mareca penelope'
'Anas perspicillata is recombined as Melanitta perspicillata'
'Anas picta belongs to Anas' according to Gmelin 1789
'Anas picta is recombined as Chloephaga picta'
'Anas platalea belongs to Anas' according to Vieillot 1816
'Anas platalea is recombined as Spatula platalea'
'Anas platyrhynchos belongs to Anas'
'Anas querquedula is recombined as Spatula querquedula'
'Anas rhynchotis belongs to Anas' according to Latham 1801
'Anas rhynchotis is recombined as Spatula rhynchotis'
'Anas rufina belongs to Anas' according to Pallas 1773
'Anas rufina is recombined as Netta rufina'
'Anas semipalmata belongs to Anas' according to Latham 1798
'Anas semipalmata is recombined as Anseranas semipalmata'
'Anas sibilatrix is recombined as Mareca sibilatrix'
'Anas spectabilis is recombined as Somateria spectabilis'
'Anas specularioides belongs to Anas' according to King 1828
'Anas specularioides is recombined as Lophonetta specularioides'
'Anas sponsa is recombined as Aix sponsa'
'Anas strepera is recombined as Mareca strepera'
'Anas superciliosa belongs to Anas'
'Anas tadorna is recombined as Tadorna tadorna'
'Anas tadornoides is recombined as Tadorna tadornoides'
'Anas valisineria is recombined as Aythya valisineria'
'Anas variegata is recombined as Tadorna variegata'
'Anas viduata belongs to Anas' according to Linnaeus 1766
'Anas viduata is recombined as Dendrocygna viduata'
'Anas wyvilliana belongs to Anas' according to Sclater 1878
'Anas wyvilliana belongs to Anas'
'Anastomus belongs to Ciconiidae'
'Anastomus lamelligerus belongs to Anastomus' according to Temminck 1823
'Anastomus lamelligerus belongs to Anastomus'
'Anatidae belongs to Anseriformes'
'Anhinga belongs to Anhingidae'
'Anhinga melanogaster belongs to Anhinga'
'Anhingidae belongs to Suliformes'
'Anous belongs to Laridae'
'Anous minutus belongs to Anous'
'Anous tenuirostris belongs to Anous'
'Anser belongs to Anatidae'
'Anser albifrons belongs to Anser'
'Anser brachyrhynchus belongs to Anser' according to Baillon 1834
'Anser brachyrhynchus belongs to Anser'
'Anser hutchinsii belongs to Anser' according to Richardson 1832
'Anser hutchinsii is recombined as Branta hutchinsii'
'Anser melanopterus belongs to Anser' according to Eyton 1838
'Anser melanopterus is recombined as Oressochen melanopterus'
'Anser melanotos belongs to Anser' according to Pennant 1769
'Anser melanotos is recombined as Sarkidiornis melanotos'
'Anser nigricans belongs to Anser' according to Lawrence 1846
'Anser nigricans is recombined as Branta bernicla nigricans'
'Anser ruficollis is recombined as Branta ruficollis'
'Anseranas belongs to Anseranatidae'
'Anseranatidae belongs to Anseriformes'
'Anthochaera belongs to Meliphagidae'
'Anthornis belongs to Meliphagidae'
'Anthornis melanocephala belongs to Anthornis' according to Gray 1843
'Anthornis melanocephala belongs to Anthornis'
'Anthracothorax belongs to Trochilidae'
'Anthus belongs to Motacillidae'
'Anthus correndera belongs to Anthus' according to Vieillot 1818
'Anthus correndera belongs to Anthus'
'Anthus gustavi belongs to Anthus' according to Swinhoe 1863
'Anthus gustavi belongs to Anthus'
'Anthus rufescens is recombined as Cincloramphus rufescens' according to Iredale 1911
'Anthus rufescens is replaced by Megalurus mathewsi'
'Anthus rufescens belongs to Anthus' according to Vigors and Horsfield 1827
'Antigone belongs to Gruidae'
'Aphelocoma belongs to Corvidae'
'Aphelocoma insularis belongs to Aphelocoma' according to Henshaw 1886
'Aphelocoma insularis belongs to Aphelocoma'
'Aplonis belongs to Sturnidae'
'Apodidae belongs to Caprimulgiformes'
'Aptenodytes belongs to Spheniscidae'
'Aptenodytes antarctica belongs to Aptenodytes' according to Forster 1781
'Aptenodytes antarctica is recombined as Pygoscelis antarcticus'
'Aptenodytes chrysocome is recombined as Eudyptes chrysocome'
'Aptenodytes forsteri belongs to Aptenodytes'
'Aptenodytes forsteri belongs to Aptenodytes' according to Gray 1844
'Aptenodytes minor is recombined as Eudyptula minor'
'Aptenodytes papua is recombined as Pygoscelis papua'
'Aptenodytes patagonicus belongs to Aptenodytes'
'Apterornis solitarius belongs to Apterornis' according to Selys-Longchamps 1848
'Apterornis solitarius is recombined as Threskiornis solitarius'
'Apterygidae belongs to Apterygiformes'
'Apteryx belongs to Apterygidae'
'Apteryx australis belongs to Apteryx' according to Shaw 1813
'Apteryx australis belongs to Apteryx'
'Apus belongs to Apodidae'
'Aquila belongs to Accipitridae'
'Aquila clanga belongs to Aquila' according to Pallas 1811
'Aquila clanga is recombined as Clanga clanga'
'Aquila fasciata belongs to Aquila' according to Vieillot 1822
'Aquila fasciata belongs to Aquila'
'Aquila morphnoides belongs to Aquila' according to Gould 1841
'Aquila morphnoides is recombined as Hieraaetus morphnoides'
'Aquila pelagica belongs to Aquila' according to Pallas 1811
'Aquila pelagica is recombined as Haliaeetus pelagicus'
'Ara belongs to Psittacidae'
'Ara tricolor belongs to Ara' according to Bechstein 1811
'Ara tricolor belongs to Ara'
'Aramidae belongs to Gruiformes'
'Aramides belongs to Rallidae'
'Aramus belongs to Aramidae'
'Aratinga belongs to Psittacidae'
'Archibuteo is a subjective synonym of Buteo'
'Archibuteo regalis is recombined as Buteo regalis'
'Archibuteo regalis belongs to Archibuteo' according to Gray 1844
'Ardea belongs to Ardeidae'
'Ardea alba belongs to Ardea'
'Ardea americana is recombined as Grus americana'
'Ardea antigone is recombined as Antigone antigone'
'Ardea caerulea is recombined as Egretta caerulea'
'Ardea caledonica belongs to Ardea' according to Gmelin 1789
'Ardea caledonica is recombined as Nycticorax caledonicus'
'Ardea canadensis is recombined as Antigone canadensis'
'Ardea carunculata belongs to Ardea' according to Gmelin 1789
'Ardea carunculata is recombined as Bugeranus carunculatus'
'Ardea ciconia is recombined as Ciconia ciconia'
'Ardea cinerea belongs to Ardea'
'Ardea cocoi belongs to Ardea' according to Linnaeus 1766
'Ardea cocoi belongs to Ardea'
'Ardea dubia is recombined as Leptoptilos dubius'
'Ardea egretta belongs to Ardea' according to Gmelin 1789
'Ardea egretta is recombined as Ardea alba egretta'
'Ardea exilis is recombined as Ixobrychus exilis'
'Ardea garzetta belongs to Ardea' according to Linnaeus 1766
'Ardea garzetta is recombined as Egretta garzetta'
'Ardea grus is recombined as Grus grus'
'Ardea herodias belongs to Ardea'
'Ardea humbloti belongs to Ardea' according to Milne-Edwards and Grandidier 1885
'Ardea humbloti belongs to Ardea'
'Ardea intermedia belongs to Ardea' according to Wagler 1829
'Ardea intermedia belongs to Ardea'
'Ardea lentiginosa is recombined as Botaurus lentiginosus'
'Ardea nigra is recombined as Ciconia nigra'
'Ardea nycticorax is recombined as Nycticorax nycticorax'
'Ardea purpurea belongs to Ardea' according to Linnaeus 1766
'Ardea purpurea belongs to Ardea'
'Ardea sacra belongs to Ardea' according to Gmelin 1789
'Ardea sacra is recombined as Egretta sacra'
'Ardea stellaris is recombined as Botaurus stellaris'
'Ardea striata is recombined as Butorides striata'
'Ardea thula belongs to Ardea' according to Molina 1782
'Ardea thula is recombined as Egretta thula'
'Ardea tricolor is recombined as Egretta tricolor'
'Ardea tricolor belongs to Ardea' according to Statius Muller 1776
'Ardea violacea is recombined as Nyctanassa violacea'
'Ardea virescens is recombined as Butorides virescens'
'Ardeidae belongs to Pelecaniformes'
'Ardenna belongs to Procellariidae'
'Arenaria belongs to Scolopacidae'
'Arenaria interpres belongs to Arenaria'
'Artamella belongs to Vangidae'
'Artamidae belongs to Passeriformes'
'Artamus belongs to Artamidae'
'Artemisiospiza belongs to Passerellidae'
'Arundinicola belongs to Tyrannidae'
'Asio belongs to Strigidae'
'Astur is a subjective synonym of Accipiter'
'Astur fasciatus is recombined as Accipiter fasciatus'
'Astur henstii belongs to Astur' according to Schlegel 1873
'Astur henstii is recombined as Accipiter henstii'
'Astur rufitorques belongs to Astur' according to Peale 1848
'Astur rufitorques is recombined as Accipiter rufitorques'
'Asyndesmus is a subjective synonym of Melanerpes'
'Atagen ariel is recombined as Fregata ariel'
'Athene belongs to Strigidae'
'Athene albifacies is recombined as Sceloglaux albifacies'
'Atrichia is replaced by Atrichornis'
'Atrichia clamosa belongs to Atrichia' according to Gould 1844
'Atrichia clamosa is recombined as Atrichornis clamosus'
'Atrichia rufescens belongs to Atrichia' according to Ramsay 1866
'Atrichia rufescens is recombined as Atrichornis rufescens'
'Atrichornis belongs to Atrichornithidae'
'Atrichornithidae belongs to Passeriformes'
'Aulacorhynchus belongs to Ramphastidae'
'Aviceda belongs to Accipitridae'
'Aythya belongs to Anatidae'
'Baeolophus belongs to Paridae'
'Bartramia belongs to Scolopacidae'
'Bernieridae belongs to Passeriformes'
'Biziura belongs to Anatidae'
'Bombycilla belongs to Bombycillidae'
'Bombycilla cedrorum belongs to Bombycilla' according to Vieillot 1808
'Bombycilla cedrorum belongs to Bombycilla'
'Bombycillidae belongs to Passeriformes'
'Bonasa belongs to Phasianidae'
'Botaurus belongs to Ardeidae'
'Bowdleria is a subjective synonym of Megalurus'
'Brachypteracias belongs to Brachypteraciidae'
'Brachypteraciidae belongs to Coraciiformes'
'Brachyramphus hypoleucus is recombined as Synthliboramphus hypoleucus'
'Brachyspiza is a subjective synonym of Zonotrichia'
'Branta belongs to Anatidae'
'Branta sandvicensis belongs to Branta'
'Bubo belongs to Strigidae'
'Bubulcus ibis belongs to Bubulcus'
'Bucconidae belongs to Galbuliformes'
'Bucephala belongs to Anatidae'
'Buceros belongs to Bucerotidae'
'Buceros plicatus belongs to Buceros' according to Forster 1781
'Buceros plicatus is recombined as Rhyticeros plicatus'
'Bucerotidae belongs to Bucerotiformes'
'Bugeranus belongs to Gruidae'
'Bulweria belongs to Procellariidae'
'Bulweria baraui belongs to Bulweria' according to Jouanin 1964
'Bulweria baraui is recombined as Pterodroma baraui'
'Burhinidae belongs to Charadriiformes'
'Burhinus belongs to Burhinidae'
'Butastur belongs to Accipitridae'
'Buteo belongs to Accipitridae'
'Buteo brachypterus belongs to Buteo' according to Hartlaub 1860
'Buteo brachypterus belongs to Buteo'
'Buteo solitarius belongs to Buteo' according to Peale 1848
'Buteo solitarius belongs to Buteo'
'Buteo swainsoni belongs to Buteo'
'Buteogallus belongs to Accipitridae'
'Butorides belongs to Ardeidae'
'Cacatua belongs to Cacatuidae'
'Cacatua roseicapilla is recombined as Eolophus roseicapilla'
'Cacatuidae belongs to Psittaciformes'
'Cacomantis belongs to Cuculidae'
'Cactornis is a subjective synonym of Geospiza'
'Cactornis scandens belongs to Cactornis' according to Gould 1837
'Cactornis scandens is recombined as Geospiza scandens'
'Cairina belongs to Anatidae'
'Calamospiza belongs to Passerellidae'
'Calamospiza melanocorys belongs to Calamospiza' according to Stejneger 1885
'Calamospiza melanocorys belongs to Calamospiza'
'Calandrella belongs to Alaudidae'
'Calcariidae belongs to Passeriformes'
'Calcarius belongs to Calcariidae'
'Calidris belongs to Scolopacidae'
'Calidris minutilla belongs to Calidris'
'Callaeas belongs to Callaeidae'
'Callaeidae belongs to Passeriformes'
'Callipepla belongs to Odontophoridae'
'Calliptilus is a subjective synonym of Phigys'
'Calliptilus stepheni belongs to Calliptilus' according to North 1908
'Calliptilus stepheni is recombined as Vini stepheni'
'Callocephalon belongs to Cacatuidae'
'Callonetta belongs to Anatidae'
'Caloenas belongs to Columbidae'
'Caloenas stairi belongs to Caloenas' according to Gray 1856
'Caloenas stairi is recombined as Alopecoenas stairi'
'Calonectris belongs to Procellariidae'
'Calyptophilidae belongs to Passeriformes'
'Calyptophilus belongs to Calyptophilidae'
'Calyptorhynchus belongs to Cacatuidae'
'Camarhynchus belongs to Thraupidae'
'Camarhynchus crassirostris belongs to Camarhynchus' according to Gould 1837
'Camarhynchus crassirostris is recombined as Platyspiza crassirostris'
'Camarhynchus pauper belongs to Camarhynchus' according to Ridgway 1890
'Camarhynchus pauper belongs to Camarhynchus'
'Campephagidae belongs to Passeriformes'
'Campephilus belongs to Picidae'
'Canace is replaced by Canachites'
'Canace obscura fuliginosa belongs to Canace obscura' according to Ridgway 1873
'Canace obscura fuliginosa is recombined as Dendragapus fuliginosus'
'Canachites is a subjective synonym of Falcipennis'
'Capella is a subjective synonym of Gallinago'
'Caprimulgidae belongs to Caprimulgiformes'
'Caprimulgus belongs to Caprimulgidae'
'Caprimulgus acutipennis is recombined as Chordeiles acutipennis'
'Caprimulgus acutipennis belongs to Caprimulgus' according to Hermann 1783
'Caprimulgus americanus is recombined as Siphonorhis americana'
'Caprimulgus cristatus belongs to Caprimulgus' according to Shaw 1790
'Caprimulgus cristatus is recombined as Aegotheles cristatus'
'Caprimulgus europaeus belongs to Caprimulgus'
'Caprimulgus jamaicensis belongs to Caprimulgus' according to Gmelin 1789
'Caprimulgus jamaicensis is recombined as Nyctibius jamaicensis'
'Caprimulgus madagascariensis belongs to Caprimulgus' according to Sganzin 1840
'Caprimulgus madagascariensis belongs to Caprimulgus'
'Caprimulgus minor belongs to Caprimulgus' according to Forster 1771
'Caprimulgus minor is recombined as Chordeiles minor'
'Caprimulgus mystacalis belongs to Caprimulgus' according to Temminck 1826
'Caprimulgus mystacalis is recombined as Eurostopodus mystacalis'
'Caprimulgus nuttallii belongs to Caprimulgus' according to Audubon 1844
'Caprimulgus nuttallii is recombined as Phalaenoptilus nuttallii'
'Caprimulgus strigoides belongs to Caprimulgus' according to Latham 1801
'Caprimulgus strigoides is recombined as Podargus strigoides'
'Caracara belongs to Falconidae'
'Carbo auritus is recombined as Phalacrocorax auritus'
'Carbo capillatus belongs to Carbo' according to Temminck and Schlegel 1849
'Carbo capillatus is recombined as Phalacrocorax capillatus'
'Carbo filamentosus belongs to Carbo' according to Temminck and Schlegel 1850
'Carbo filamentosus is a subjective synonym of Phalacrocorax capillatus'
'Carbo penicillatus is recombined as Phalacrocorax penicillatus'
'Carbo purpurascens belongs to Carbo' according to von Brandt 1837
'Carbo purpurascens is recombined as Phalacrocorax purpurascens'
'Cardinalidae belongs to Passeriformes'
'Cardinalis belongs to Cardinalidae'
'Carduelis belongs to Fringillidae'
'Cariama belongs to Cariamidae'
'Cariamidae belongs to Cariamiformes'
'Cariamiformes belongs to Neornithes'
'Carine is a subjective synonym of Athene'
'Carpodacus cassinii is recombined as Haemorhous cassinii'
'Carpodacus cassinii belongs to Carpodacus' according to Baird 1854
'Carpophaga is a subjective synonym of Ducula'
'Carpophaga aurorae belongs to Carpophaga' according to Peale 1848
'Carpophaga aurorae is recombined as Ducula aurorae'
'Carpophaga chathamensis belongs to Carpophaga' according to Rothschild 1891
'Carpophaga chathamensis is recombined as Hemiphaga chathamensis'
'Carpophaga goliath belongs to Carpophaga' according to Gray 1859
'Carpophaga goliath is recombined as Ducula goliath'
'Carpophaga latrans belongs to Carpophaga' according to Peale 1848
'Carpophaga latrans is recombined as Ducula latrans'
'Casarca is a subjective synonym of Tadorna'
'Casmerodius is a subjective synonym of Ardea'
'Casuariidae belongs to Casuariiformes'
'Casuarius novaehollandiae is recombined as Dromaius novaehollandiae'
'Catarrhactes is a subjective synonym of Pygoscelis'
'Catarrhactes adeliae belongs to Catarrhactes' according to Hombon and Jacquinot 1841
'Catarrhactes adeliae is recombined as Pygoscelis adeliae'
'Catarrhactes antipodes is recombined as Megadyptes antipodes'
'Catharacta is a subjective synonym of Stercorarius'
'Catharacta antarctica lonnbergi belongs to Catharacta antarctica' according to Mathews 1912
'Catharacta antarctica lonnbergi is recombined as Stercorarius antarcticus lonnbergi'
'Catharacta skua belongs to Catharacta' according to Brünnich 1764
'Catharacta skua is recombined as Stercorarius skua'
'Cathartes belongs to Cathartidae'
'Cathartes burrovianus belongs to Cathartes'
'Cathartidae belongs to Cathartiformes'
'Cathartiformes belongs to Neornithes'
'Catoptrophorus is a subjective synonym of Tringa'
'Cecropis belongs to Hirundinidae'
'Centrocercus belongs to Phasianidae'
'Centurus is a subjective synonym of Melanerpes'
'Cepphus belongs to Alcidae'
'Cepphus columba belongs to Cepphus'
'Cerorhinca belongs to Alcidae'
'Certhia belongs to Certhiidae'
'Certhia cardinalis belongs to Certhia' according to Gmelin 1788
'Certhia cardinalis is recombined as Myzomela cardinalis'
'Certhia carunculata belongs to Certhia' according to Gmelin 1788
'Certhia carunculata is recombined as Foulehaio carunculatus'
'Certhia coccinea is recombined as Drepanis coccinea'
'Certhia flaveola is recombined as Coereba flaveola'
'Certhia melanura is recombined as Anthornis melanura'
'Certhia muraria belongs to Certhia' according to Linnaeus 1766
'Certhia muraria is recombined as Tichodroma muraria'
'Certhia obscura is recombined as Akialoa obscura'
'Certhia sanguinea is recombined as Himatione sanguinea'
'Certhia virens is recombined as Chlorodrepanis virens'
'Certhidea belongs to Thraupidae'
'Certhidea olivacea belongs to Certhidea' according to Gould 1837
'Certhidea olivacea belongs to Certhidea'
'Certhiidae belongs to Passeriformes'
'Cettia belongs to Scotocercidae'
'Chaetoptila belongs to Mohoidae'
'Chaetura belongs to Apodidae'
'Chalcophaps belongs to Columbidae'
'Chalcophaps beccarii belongs to Chalcophaps' according to Salvadori 1876
'Chalcophaps beccarii is recombined as Alopecoenas beccarii'
'Chalcophaps stephani belongs to Chalcophaps' according to Pucheran 1853
'Chalcophaps stephani belongs to Chalcophaps'
'Chamaepelia is a subjective synonym of Columbina'
'Chamaepelia inca belongs to Chamaepelia' according to Lesson 1847
'Chamaepelia inca is recombined as Columbina inca'
'Charadriidae belongs to Charadriiformes'
'Charadrius belongs to Charadriidae'
'Charadrius aegyptius is recombined as Pluvianus aegyptius'
'Charadrius alexandrinus belongs to Charadrius'
'Charadrius apricarius is recombined as Pluvialis apricaria'
'Charadrius bicinctus belongs to Charadrius'
'Charadrius bistriatus belongs to Charadrius' according to Wagler 1829
'Charadrius bistriatus is recombined as Burhinus bistriatus'
'Charadrius collaris belongs to Charadrius' according to Vieillot 1818
'Charadrius collaris belongs to Charadrius'
'Charadrius dominicus is recombined as Pluvialis dominica'
'Charadrius fulvus belongs to Charadrius' according to Gmelin 1789
'Charadrius fulvus is recombined as Pluvialis fulva'
'Charadrius himantopus is recombined as Himantopus himantopus'
'Charadrius leschenaultii belongs to Charadrius' according to Lesson 1826
'Charadrius leschenaultii belongs to Charadrius'
'Charadrius mexicanus belongs to Charadrius' according to Muller 1776
'Charadrius mexicanus is recombined as Himantopus mexicanus'
'Charadrius mongolus belongs to Charadrius' according to Pallas 1776
'Charadrius mongolus belongs to Charadrius'
'Charadrius montanus belongs to Charadrius' according to Townsend 1837
'Charadrius montanus belongs to Charadrius'
'Charadrius morinellus belongs to Charadrius'
'Charadrius obscurus belongs to Charadrius'
'Charadrius semipalmatus belongs to Charadrius'
'Charadrius vociferus belongs to Charadrius'
'Charitonetta is a subjective synonym of Bucephala'
'Charmosyna belongs to Psittaculidae'
'Chasiempis belongs to Monarchidae'
'Chen is a subjective synonym of Anser'
'Chen rossii is recombined as Anser rossii'
'Chionidae belongs to Charadriiformes'
'Chionis belongs to Chionidae'
'Chlamydotis belongs to Otididae'
'Chlidonias belongs to Laridae'
'Chloephaga belongs to Anatidae'
'Chloephaga rubidiceps belongs to Chloephaga' according to Sclater 1861
'Chloephaga rubidiceps belongs to Chloephaga'
'Chloridops belongs to Fringillidae'
'Chloris belongs to Fringillidae'
'Chlorodrepanis belongs to Fringillidae'
'Chlorostilbon belongs to Trochilidae'
'Chondestes belongs to Passerellidae'
'Chordeiles belongs to Caprimulgidae'
'Chroicocephalus belongs to Laridae'
'Chrysococcyx belongs to Cuculidae'
'Chrysomus belongs to Icteridae'
'Chunga belongs to Cariamidae'
'Chunga burmeisteri belongs to Chunga'
'Ciccaba belongs to Strigidae'
'Cichlherminia is a subjective synonym of Turdus'
'Ciconia belongs to Ciconiidae'
'Ciconia boyciana belongs to Ciconia' according to Swinhoe 1873
'Ciconia boyciana belongs to Ciconia'
'Ciconia mycteria is recombined as Jabiru mycteria'
'Ciconiidae belongs to Ciconiiformes'
'Cinclidae belongs to Passeriformes'
'Cinclocerthia belongs to Mimidae'
'Cinclodes belongs to Furnariidae'
'Cincloramphus is a subjective synonym of Megalurus'
'Cincloramphus rufescens mathewsi belongs to Cincloramphus rufescens' according to Iredale 1911
'Cincloramphus rufescens mathewsi is recombined as Megalurus mathewsi'
'Cinclosoma belongs to Cinclosomatidae'
'Cinclosoma alisteri belongs to Cinclosoma' according to Mathews 1910
'Cinclosoma alisteri belongs to Cinclosoma'
'Cinclosomatidae belongs to Passeriformes'
'Cinclus belongs to Cinclidae'
'Cinnyris belongs to Nectariniidae'
'Cinnyris rubrater belongs to Cinnyris' according to Lesson 1827
'Cinnyris rubrater is recombined as Myzomela rubratra'
'Circus belongs to Accipitridae'
'Circus approximans belongs to Circus' according to Peale 1848
'Circus approximans belongs to Circus'
'Circus cinereus belongs to Circus' according to Vieillot 1816
'Circus cinereus belongs to Circus'
'Circus maillardi belongs to Circus' according to Verreaux 1862
'Circus maillardi belongs to Circus'
'Circus spilonotus belongs to Circus' according to Kaup 1847
'Circus spilonotus belongs to Circus'
'Cistothorus belongs to Troglodytidae'
'Clanga belongs to Accipitridae'
'Clangula belongs to Anatidae'
'Claravis belongs to Columbidae'
'Cleptornis belongs to Zosteropidae'
'Climacteridae belongs to Passeriformes'
'Climacteris belongs to Climacteridae'
'Clytorhynchus belongs to Monarchidae'
'Coccothraustes belongs to Fringillidae'
'Coccyzus belongs to Cuculidae'
'Coccyzus erythropyga belongs to Coccyzus' according to Lesson 1842
'Coccyzus erythropyga is recombined as Morococcyx erythropygus'
'Coccyzus rufigularis belongs to Coccyzus' according to Hartlaub 1852
'Coccyzus rufigularis belongs to Coccyzus'
'Coenocorypha belongs to Scolopacidae'
'Coenocorypha iredalei belongs to Coenocorypha'
'Coereba belongs to Thraupidae'
'Colaptes belongs to Picidae'
'Colaptes chrysocaulosus belongs to Colaptes' according to Gundlach 1858
'Colaptes chrysocaulosus is recombined as Colaptes auratus chrysocaulosus'
'Coliidae belongs to Coliiformes'
'Colinus belongs to Odontophoridae'
'Colius belongs to Coliidae'
'Colius striatus belongs to Colius' according to Gmelin 1789
'Colius striatus belongs to Colius'
'Collocalia belongs to Apodidae'
'Collocalia troglodytes belongs to Collocalia' according to Gray 1845
'Collocalia troglodytes belongs to Collocalia'
'Colluricincla belongs to Pachycephalidae'
'Colluricincla maculosa belongs to Colluricincla' according to Peale 1848
'Colluricincla maculosa is recombined as Lalage maculosa'
'Columba belongs to Columbidae'
'Columba amboinensis belongs to Columba' according to Linnaeus 1766
'Columba amboinensis is recombined as Macropygia amboinensis'
'Columba asiatica is recombined as Zenaida asiatica'
'Columba aurita belongs to Columba' according to Temminck 1809
'Columba aurita is recombined as Zenaida aurita'
'Columba australis belongs to Columba' according to Linnaeus 1771
'Columba australis is recombined as Treron australis'
'Columba bitorquata belongs to Columba' according to Temminck 1809
'Columba bitorquata is recombined as Streptopelia bitorquata'
'Columba capensis belongs to Columba' according to Linnaeus 1766
'Columba capensis is recombined as Oena capensis'
'Columba chalcoptera is recombined as Phaps chalcoptera'
'Columba cruziana belongs to Columba' according to Prévost 1832
'Columba cruziana is recombined as Columbina cruziana'
'Columba dupetithouarsii is recombined as Ptilinopus dupetithouarsii'
'Columba dupetithouarsii belongs to Columba' according to Neboux 1840
'Columba elegans is recombined as Phaps elegans'
'Columba erythroptera belongs to Columba' according to Gmelin 1789
'Columba erythroptera is recombined as Alopecoenas erythropterus'
'Columba fasciata belongs to Columba' according to Say 1822
'Columba fasciata is recombined as Patagioenas fasciata'
'Columba holosericea belongs to Columba' according to Temminck 1809
'Columba holosericea is recombined as Drepanoptila holosericea'
'Columba indica is recombined as Chalcophaps indica'
'Columba inornata is recombined as Patagioenas inornata'
'Columba inornata belongs to Columba' according to Vigors 1827
'Columba janthina belongs to Columba' according to Temminck 1830
'Columba janthina belongs to Columba'
'Columba junoniae belongs to Columba' according to Hartert 1916
'Columba junoniae belongs to Columba'
'Columba leucocephala is recombined as Patagioenas leucocephala'
'Columba livia belongs to Columba'
'Columba lophotes belongs to Columba' according to Temminck 1822
'Columba lophotes is recombined as Ocyphaps lophotes'
'Columba macroura is recombined as Zenaida macroura'
'Columba mayeri belongs to Columba' according to Prévost and Knip 1843
'Columba mayeri is recombined as Nesoenas mayeri'
'Columba migratorius is recombined as Ectopistes migratorius'
'Columba montana is recombined as Geotrygon montana'
'Columba mystacea belongs to Columba' according to Temminck 1811
'Columba mystacea is recombined as Geotrygon mystacea'
'Columba nicobarica is recombined as Caloenas nicobarica'
'Columba nitidissima belongs to Columba' according to Scopoli 1786
'Columba nitidissima is recombined as Alectroenas nitidissimus'
'Columba norfolciensis is replaced by Alopecoenas norfolkensis'
'Columba novaeseelandiae is recombined as Hemiphaga novaeseelandiae'
'Columba oceanica belongs to Columba' according to Desmarest 1826
'Columba oceanica is recombined as Ducula oceanica'
'Columba oenas belongs to Columba'
'Columba orientalis belongs to Columba' according to Latham 1790
'Columba orientalis is recombined as Streptopelia orientalis'
'Columba pacifica is recombined as Ducula pacifica'
'Columba pacifica belongs to Columba' according to Gmelin 1789
'Columba palumbus belongs to Columba'
'Columba passerina is recombined as Columbina passerina'
'Columba picturata belongs to Columba' according to Temminck 1813
'Columba picturata is recombined as Streptopelia picturata'
'Columba porphyracea belongs to Columba' according to Temminck 1821
'Columba porphyracea is recombined as Ptilinopus porphyraceus'
'Columba purpurata belongs to Columba' according to Gmelin 1789
'Columba purpurata is recombined as Ptilinopus purpuratus'
'Columba rivoli belongs to Columba' according to Prévost 1843
'Columba rivoli is recombined as Ptilinopus rivoli'
'Columba roseicapilla belongs to Columba' according to Lesson 1831
'Columba roseicapilla is recombined as Ptilinopus roseicapilla'
'Columba rubescens belongs to Columba' according to Vieillot 1818
'Columba rubescens is recombined as Alopecoenas rubescens'
'Columba spadicea belongs to Columba' according to Latham 1801
'Columba spadicea is recombined as Hemiphaga spadicea'
'Columba squamosa belongs to Columba' according to Bonnaterre 1792
'Columba squamosa is recombined as Patagioenas squamosa'
'Columba talpacoti belongs to Columba' according to Temminck 1810
'Columba talpacoti is recombined as Columbina talpacoti'
'Columba turtur is recombined as Streptopelia turtur'
'Columba vitiensis belongs to Columba' according to Quoy and Gaimard 1830
'Columba vitiensis belongs to Columba'
'Columba xanthonura belongs to Columba' according to Temminck 1823
'Columba xanthonura is recombined as Alopecoenas xanthonurus'
'Columba zenaida belongs to Columba' according to Bonaparte 1825
'Columba zenaida is recombined as Zenaida aurita zenaida'
'Columbidae belongs to Columbiformes'
'Columbigallina is a subjective synonym of Columbina'
'Columbina belongs to Columbidae'
'Colymbus aalge is recombined as Uria aalge'
'Colymbus arcticus is recombined as Gavia arctica'
'Colymbus auritus is recombined as Podiceps auritus'
'Podiceps caspicus is replaced by Podiceps nigricollis'
'Colymbus cornutus belongs to Colymbus' according to Gmelin 1789
'Colymbus cornutus is recombined as Podiceps auritus cornutus'
'Colymbus cristatus is recombined as Podiceps cristatus'
'Colymbus dominicus is recombined as Tachybaptus dominicus'
'Colymbus grisegena belongs to Colymbus' according to Boddaert 1783
'Colymbus grisegena is recombined as Podiceps grisegena'
'Colymbus immer is recombined as Gavia immer'
'Colymbus pacificus is recombined as Gavia pacifica'
'Colymbus pacificus belongs to Colymbus' according to Lawrence 1858
'Colymbus podiceps is recombined as Podilymbus podiceps'
'Colymbus ruficollis belongs to Colymbus' according to Pallas 1764
'Colymbus ruficollis is recombined as Tachybaptus ruficollis'
'Colymbus stellatus belongs to Colymbus' according to Pontoppidan 1763
'Colymbus stellatus is recombined as Gavia stellata'
'Contopus belongs to Tyrannidae'
'Contopus sordidulus belongs to Contopus' according to Sclater 1859
'Contopus sordidulus belongs to Contopus'
'Conuropsis belongs to Psittacidae'
'Coracias belongs to Coraciidae'
'Coracias garrulus belongs to Coracias'
'Coracias glaucurus belongs to Coracias' according to Statius Muller 1776
'Coracias glaucurus is recombined as Eurystomus glaucurus'
'Coracias tibicen belongs to Coracias' according to Latham 1801
'Coracias tibicen is recombined as Gymnorhina tibicen'
'Coraciidae belongs to Coraciiformes'
'Coracina belongs to Campephagidae'
'Coracopsis is a subjective synonym of Mascarinus'
'Coragyps belongs to Cathartidae'
'Corvidae belongs to Passeriformes'
'Corvus belongs to Corvidae'
'Corvus albicollis belongs to Corvus' according to Latham 1790
'Corvus albicollis belongs to Corvus'
'Corvus albus belongs to Corvus' according to Muller 1776
'Corvus albus belongs to Corvus'
'Corvus brachyrhynchos belongs to Corvus'
'Corvus canadensis is recombined as Perisoreus canadensis'
'Corvus caryocatactes is recombined as Nucifraga caryocatactes'
'Corvus coerulescens is recombined as Aphelocoma coerulescens'
'Corvus columbiana belongs to Corvus' according to Wilson 1811
'Corvus columbiana is recombined as Nucifraga columbiana'
'Corvus corax belongs to Corvus'
'Corvus corone belongs to Corvus'
'Corvus cristatus is recombined as Cyanocitta cristata'
'Corvus cyanoleucus belongs to Corvus' according to Latham 1801
'Corvus cyanoleucus is recombined as Grallina cyanoleuca'
'Corvus cyanus belongs to Corvus' according to Pallas 1776
'Corvus cyanus is recombined as Cyanopica cyanus'
'Corvus frugilegus belongs to Corvus'
'Corvus glandarius is recombined as Garrulus glandarius'
'Corvus graculinus belongs to Corvus' according to Shaw 1790
'Corvus graculinus is recombined as Strepera graculina'
'Corvus graculus is recombined as Pyrrhocorax graculus'
'Corvus hudsonia belongs to Corvus' according to Sabine 1823
'Corvus hudsonia is recombined as Pica hudsonia'
'Corvus infaustus is recombined as Perisoreus infaustus'
'Corvus leucognaphalus belongs to Corvus' according to Daudin 1900
'Corvus leucognaphalus belongs to Corvus'
'Corvus macrorhynchos belongs to Corvus' according to Wagler 1827
'Corvus macrorhynchos belongs to Corvus'
'Corvus mexicanus is recombined as Quiscalus mexicanus'
'Corvus monedula belongs to Corvus'
'Corvus moriorum belongs to Corvus'
'Corvus nasicus belongs to Corvus' according to Temminck 1826
'Corvus nasicus belongs to Corvus'
'Corvus nuttalli belongs to Corvus' according to Audubon 1837
'Corvus nuttalli is recombined as Pica nuttalli'
'Corvus olivaceus belongs to Corvus' according to Latham 1801
'Corvus olivaceus is recombined as Psophodes olivaceus'
'Corvus ossifragus belongs to Corvus'
'Corvus palmarum belongs to Corvus' according to Württemburg 1835
'Corvus palmarum belongs to Corvus'
'Corvus pica is recombined as Pica pica'
'Corvus stelleri belongs to Corvus' according to Gmelin 1788
'Corvus stelleri is recombined as Cyanocitta stelleri'
'Corvus versicolor belongs to Corvus' according to Latham 1801
'Corvus versicolor is recombined as Strepera versicolor'
'Coturnicops belongs to Rallidae'
'Coturnix belongs to Phasianidae'
'Coturnix japonica belongs to Coturnix' according to Temminck and Schlegel 1849
'Coturnix japonica belongs to Coturnix'
'Coturnix novaezelandiae belongs to Coturnix'
'Coturnix pectoralis belongs to Coturnix' according to Gould 1837
'Coturnix pectoralis belongs to Coturnix'
'Coturnix ypsilophorus belongs to Coturnix' according to Bosc 1793
'Coturnix ypsilophorus is recombined as Synoicus ypsilophorus'
'Coua belongs to Cuculidae'
'Coua cursor belongs to Coua' according to Grandidier 1867
'Coua cursor belongs to Coua'
'Coua ruficeps belongs to Coua' according to Gray 1846
'Coua ruficeps belongs to Coua'
'Cracidae belongs to Galliformes'
'Cracticidae belongs to Passeriformes'
'Crex belongs to Rallidae'
'Crotophaga belongs to Cuculidae'
'Crotophaga ani belongs to Crotophaga'
'Crotophaga sulcirostris belongs to Crotophaga' according to Swainson 1827
'Crotophaga sulcirostris belongs to Crotophaga'
'Crypturellus belongs to Tinamidae'
'Crypturus is a subjective synonym of Tinamus'
'Crypturus transfasciatus belongs to Crypturus' according to Sclater and Salvin 1878
'Crypturus transfasciatus is recombined as Crypturellus transfasciatus'
'Cuculidae belongs to Cuculiformes'
'Cuculus belongs to Cuculidae'
'Cuculus americanus is recombined as Coccyzus americanus'
'Cuculus auratus is recombined as Colaptes auratus'
'Cuculus canorus belongs to Cuculus'
'Cuculus cristatus belongs to Cuculus' according to Linnaeus 1766
'Cuculus cristatus is recombined as Coua cristata'
'Cuculus discolor belongs to Cuculus' according to Hermann 1783
'Cuculus discolor is recombined as Leptosomus discolor'
'Cuculus erythropthalma belongs to Cuculus' according to Wilson 1811
'Cuculus erythropthalma is recombined as Coccyzus erythropthalmus'
'Cuculus flabelliformis belongs to Cuculus' according to Latham 1801
'Cuculus flabelliformis is recombined as Cacomantis flabelliformis'
'Cuculus gigas belongs to Cuculus' according to Boddaert 1783
'Cuculus gigas is recombined as Coua gigas'
'Cuculus longirostris belongs to Cuculus' according to Hermann 1783
'Cuculus longirostris is recombined as Coccyzus longirostris'
'Cuculus lucidus belongs to Cuculus' according to Gmelin 1788
'Cuculus lucidus is recombined as Chrysococcyx lucidus'
'Cuculus minor belongs to Cuculus' according to Gmelin 1788
'Cuculus minor is recombined as Coccyzus minor'
'Cuculus optatus belongs to Cuculus' according to Gould 1845
'Cuculus optatus belongs to Cuculus'
'Cuculus taitensis belongs to Cuculus' according to Sparrman 1787
'Cuculus taitensis is recombined as Urodynamis taitensis'
'Cuculus variolosus is recombined as Cacomantis variolosus'
'Cuculus variolosus belongs to Cuculus' according to Vigors and Horsfield 1827
'Cupidonia is a subjective synonym of Tympanuchus'
'Cupidonia americanus belongs to Cupidonia' according to Reichenbach 1852
'Cupidonia americanus is a subjective synonym of Tympanuchus cupido'
'Cupidonia cupido pallidicincta is recombined as Tympanuchus pallidicinctus'
'Cyanocitta belongs to Corvidae'
'Cyanolanius belongs to Vangidae'
'Cyanoliseus belongs to Psittacidae'
'Cyanopica belongs to Corvidae'
'Cyanopica cooki belongs to Cyanopica' according to Bonaparte 1850
'Cyanopica cooki belongs to Cyanopica'
'Cyanoramphus belongs to Psittaculidae'
'Cyanoramphus forbesi belongs to Cyanoramphus' according to Rothschild 1893
'Cyanoramphus forbesi belongs to Cyanoramphus'
'Cyanoramphus novaezelandiae chathamensis belongs to Cyanoramphus novaezelandiae' according to Oliver 1930
'Cyanoramphus saisseti belongs to Cyanoramphus' according to Verreaux and des Murs 1860
'Cyanoramphus saisseti belongs to Cyanoramphus'
'Cyclorrhynchus is a subjective synonym of Aethia'
'Cygnus belongs to Anatidae'
'Cygnus bewickii belongs to Cygnus' according to Yarrell 1830
'Cygnus bewickii is recombined as Cygnus columbianus bewickii'
'Cygnus buccinator belongs to Cygnus'
'Cygnus musicus is a subjective synonym of Cygnus cygnus'
'Cygnus musicus belongs to Cygnus' according to Bechstein 1809
'Cymochorea is a subjective synonym of Oceanodroma'
'Cymochorea homochroa is recombined as Oceanodroma homochroa'
'Cypseloides belongs to Apodidae'
'Cypselus is a subjective synonym of Apus'
'Cypselus balstoni belongs to Cypselus' according to Bartlett 1880
'Cypselus balstoni is recombined as Apus balstoni'
'Cypselus pallidus belongs to Cypselus' according to Shelley 1870
'Cypselus pallidus is recombined as Apus pallidus'
'Cyrtonyx belongs to Odontophoridae'
'Dacelo belongs to Alcedinidae'
'Dafila is a subjective synonym of Anas'
'Daption belongs to Procellariidae'
'Dasyornis belongs to Dasyornithidae'
'Dasyornis longirostris belongs to Dasyornis' according to Gould 1841
'Dasyornis longirostris belongs to Dasyornis'
'Dasyornithinae was reranked as the family Dasyornithidae and belongs to Passeriformes'
'Delichon belongs to Hirundinidae'
'Dendragapus belongs to Phasianidae'
'Dendrocopos belongs to Picidae'
'Dendrocygna belongs to Anatidae'
'Dendroica is a subjective synonym of Setophaga'
'Dicaeidae belongs to Passeriformes'
'Dicaeum belongs to Dicaeidae'
'Dicaeum chloronothos belongs to Dicaeum' according to Vieillot 1817
'Dicaeum chloronothos is recombined as Zosterops chloronothos'
'Dicaeum conspicillatum is recombined as Zosterops conspicillatus'
'Dicaeum conspicillatum belongs to Dicaeum' according to Kittlitz 1833
'Didus ineptus is a subjective synonym of Raphus cucullatus'
'Didus solitarius is recombined as Pezophaps solitaria'
'Diomedea belongs to Diomedeidae'
'Diomedea albatrus is recombined as Phoebastria albatrus'
'Diomedea amsterdamensis is recombined as Diomedea exulans amsterdamensis'
'Diomedea bulleri is recombined as Thalassarche bulleri'
'Diomedea cauta belongs to Diomedea' according to Gould 1841
'Diomedea cauta is recombined as Thalassarche cauta'
'Diomedea chlororhynchos belongs to Diomedea' according to Gmelin 1789
'Diomedea chlororhynchos is recombined as Thalassarche chlororhynchos'
'Diomedea chrysostoma belongs to Diomedea' according to Forster 1785
'Diomedea chrysostoma is recombined as Thalassarche chrysostoma'
'Diomedea demersa is recombined as Spheniscus demersus'
'Diomedea epomophora belongs to Diomedea' according to Lesson 1825
'Diomedea epomophora belongs to Diomedea'
'Diomedea exulans belongs to Diomedea'
'Diomedeidae belongs to Procellariiformes'
'Dolichonyx belongs to Icteridae'
'Drepanis belongs to Fringillidae'
'Drepanoptila belongs to Columbidae'
'Dromaius belongs to Casuariidae'
'Dromococcyx belongs to Cuculidae'
'Drymoeca rodericana belongs to Drymoeca' according to Newton 1865
'Drymoeca rodericana is recombined as Acrocephalus rodericanus'
'Dryocopus belongs to Picidae'
'Dryolimnas belongs to Rallidae'
'Ducula belongs to Columbidae'
'Dulidae belongs to Passeriformes'
'Dulus belongs to Dulidae'
'Dumetella belongs to Mimidae'
'Dysporus is a subjective synonym of Sula'
'Dysporus capensis belongs to Dysporus' according to Lichtenstein 1823
'Dysporus capensis is recombined as Morus capensis'
'Dysporus variegatus is recombined as Sula variegata'
'Eclectus belongs to Psittaculidae'
'Ectopistes belongs to Columbidae'
'Egretta belongs to Ardeidae'
'Egretta dimorpha is recombined as Egretta garzetta dimorpha'
'Egretta dimorpha belongs to Egretta' according to Hartert 1914
'Elanoides belongs to Accipitridae'
'Elanus belongs to Accipitridae'
'Ellisia is replaced by Nesillas'
'Ellisia chloropetoides belongs to Ellisia' according to Grandidier 1867
'Ellisia chloropetoides is recombined as Thamnornis chloropetoides'
'Ellisia lantzii belongs to Ellisia' according to Grandidier 1867
'Ellisia lantzii is recombined as Nesillas lantzii'
'Emberiza belongs to Emberizidae'
'Emberiza americana belongs to Emberiza' according to Gmelin 1789
'Emberiza americana is recombined as Spiza americana'
'Emberiza atricapilla is recombined as Zonotrichia atricapilla'
'Emberiza atricapilla belongs to Emberiza' according to Gmelin 1789
'Emberiza belli is recombined as Artemisiospiza belli'
'Emberiza bilineata belongs to Emberiza' according to Cassin 1850
'Emberiza bilineata is recombined as Amphispiza bilineata'
'Emberiza calandra belongs to Emberiza'
'Emberiza citrinella belongs to Emberiza'
'Emberiza henslowii belongs to Emberiza' according to Audubon 1829
'Emberiza henslowii is recombined as Ammodramus henslowii'
'Emberiza leucophrys is recombined as Zonotrichia leucophrys'
'Emberiza melanodera belongs to Emberiza' according to Quoy and Gaimard 1824
'Emberiza melanodera is recombined as Melanodera melanodera'
'Emberiza nivalis is recombined as Plectrophenax nivalis'
'Emberiza rubra belongs to Emberiza' according to Gmelin 1789
'Emberiza rubra is recombined as Foudia rubra'
'Emberiza sandwichensis is recombined as Passerculus sandwichensis'
'Emberizidae belongs to Passeriformes'
'Empidonax belongs to Tyrannidae'
'Empidonax nanus belongs to Empidonax' according to Lawrence 1875
'Empidonax nanus is recombined as Vireo nanus'
'Endomychura is a subjective synonym of Synthliboramphus'
'Entomiza angustipluma belongs to Entomiza' according to Peale 1848
'Entomiza angustipluma is recombined as Chaetoptila angustipluma'
'Entomyzon belongs to Meliphagidae'
'Entomyzon [misspelled as Entomiza] belongs to Meliphagidae' according to Peale 1848
'Eolophus belongs to Cacatuidae'
'Eopsaltria belongs to Petroicidae'
'Ephippiorhynchus belongs to Ciconiidae'
'Eremophila belongs to Alaudidae'
'Eremopterix belongs to Alaudidae'
'Ereunetes is a subjective synonym of Calidris'
'Ereunetes mauri belongs to Ereunetes' according to Cabanis 1857
'Ereunetes mauri is recombined as Calidris mauri'
'Erithacus belongs to Muscicapidae'
'Erolia is a subjective synonym of Calidris'
'Erythrura belongs to Estrildidae'
'Esacus belongs to Burhinidae'
'Estrildidae belongs to Passeriformes'
'Eudocimus belongs to Threskiornithidae'
'Eudromias is a subjective synonym of Charadrius'
'Eudynamys belongs to Cuculidae'
'Eudyptes belongs to Spheniscidae'
'Eudyptes filholi belongs to Eudyptes' according to Hutton 1879
'Eudyptes filholi is recombined as Eudyptes chrysocome filholi'
'Eudyptes pachyrhynchus belongs to Eudyptes'
'Eudyptes schlegeli belongs to Eudyptes' according to Finsch 1876
'Eudyptes schlegeli belongs to Eudyptes'
'Eudyptula belongs to Spheniscidae'
'Eunymphicus belongs to Psittaculidae'
'Euphagus belongs to Icteridae'
'Eupoda is a subjective synonym of Charadrius'
'Eupsittula belongs to Psittacidae'
'Eurostopodus belongs to Caprimulgidae'
'Eurostopodus mystacalis exul belongs to Eurostopodus mystacalis' according to Mayr 1941
'Eurostopodus mystacalis exul is recombined as Eurostopodus exul'
'Eurypygiformes belongs to Neornithes'
'Eurystomus belongs to Coraciidae'
'Excalfactoria is a subjective synonym of Synoicus'
'Falcipennis belongs to Phasianidae'
'Falco belongs to Falconidae'
'Falco aegyptius belongs to Falco' according to Gmelin 1788
'Falco aegyptius is recombined as Milvus migrans aegyptius'
'Falco aequinoctialis belongs to Falco' according to Gmelin 1788
'Falco aequinoctialis is recombined as Buteogallus aequinoctialis'
'Falco aeruginosus is recombined as Circus aeruginosus'
'Falco albicilla is recombined as Haliaeetus albicilla'
'Falco apivorus is recombined as Pernis apivorus'
'Falco australis belongs to Falco' according to Gmelin 1788
'Falco australis is recombined as Phalcoboenus australis'
'Falco berigora belongs to Falco' according to Vigors and Horsfield 1827
'Falco berigora belongs to Falco'
'Falco borealis belongs to Falco' according to Gmelin 1788
'Falco borealis is recombined as Buteo jamaicensis borealis'
'Falco buteo is recombined as Buteo buteo'
'Falco cenchroides belongs to Falco'
'Falco cheriway belongs to Falco' according to Jacquin 1784
'Falco cheriway is recombined as Caracara cheriway'
'Falco cherrug belongs to Falco' according to Gray 1834
'Falco cherrug belongs to Falco'
'Falco chrysaetos is recombined as Aquila chrysaetos'
'Falco columbarius belongs to Falco'
'Falco cooperi is recombined as Accipiter cooperii'
'Falco cyaneus belongs to Falco' according to Linnaeus 1766
'Falco cyaneus is recombined as Circus cyaneus'
'Falco eleonorae belongs to Falco' according to Gené 1839
'Falco eleonorae belongs to Falco'
'Falco femoralis belongs to Falco'
'Falco femoralis belongs to Falco' according to Temminck 1822
'Falco ferrugineus belongs to Falco' according to Lichtenstein 1836
'Falco ferrugineus is replaced by Buteo regalis'
'Falco forficatus is recombined as Elanoides forficatus'
'Falco gentilis is recombined as Accipiter gentilis'
'Falco haliaetus is recombined as Pandion haliaetus'
'Falco hudsonius belongs to Falco' according to Linnaeus 1766
'Falco hudsonius is recombined as Circus hudsonius'
'Falco indicus belongs to Falco' according to Gmelin 1788
'Falco indicus is recombined as Butastur indicus'
'Falco indus belongs to Falco' according to Boddaert 1783
'Falco indus is recombined as Haliastur indus'
'Falco jamaicensis is recombined as Buteo jamaicensis'
'Falco lagopus belongs to Falco' according to Pontoppidan 1763
'Falco lagopus is recombined as Buteo lagopus'
'Falco leucocephalus is recombined as Haliaeetus leucocephalus'
'Falco leucogaster belongs to Falco' according to Gmelin 1788
'Falco leucogaster is recombined as Haliaeetus leucogaster'
'Falco lineatus is recombined as Buteo lineatus'
'Falco macrourus is recombined as Circus macrourus'
'Falco magnirostris belongs to Falco' according to Gmelin 1788
'Falco magnirostris is recombined as Rupornis magnirostris'
'Falco malayensis belongs to Falco' according to Temminck 1822
'Falco malayensis is recombined as Ictinaetus malaiensis'
'Falco meridionalis belongs to Falco' according to Latham 1790
'Falco meridionalis is recombined as Buteogallus meridionalis'
'Falco mexicanus belongs to Falco'
'Falco migrans belongs to Falco' according to Boddaert 1783
'Falco migrans is recombined as Milvus migrans'
'Falco milvus is recombined as Milvus milvus'
'Falco misisippiensis belongs to Falco' according to Wilson 1811
'Falco misisippiensis is recombined as Ictinia mississippiensis'
'Falco naumanni belongs to Falco' according to Fleischer 1818
'Falco naumanni belongs to Falco'
'Falco nisus is recombined as Accipiter nisus'
'Falco nitidus belongs to Falco' according to Latham 1790
'Falco nitidus is recombined as Buteo nitidus'
'Falco novaehollandiae belongs to Falco' according to Gmelin 1788
'Falco novaehollandiae is recombined as Accipiter novaehollandiae'
'Falco novaeseelandiae belongs to Falco'
'Falco pennatus belongs to Falco' according to Gmelin 1788
'Falco pennatus is recombined as Hieraaetus pennatus'
'Falco peregrinus belongs to Falco'
'Falco plancus is recombined as Caracara plancus'
'Falco polyosoma belongs to Falco' according to Quoy and Gaimard 1824
'Falco polyosoma is recombined as Geranoaetus polyosoma'
'Falco punctatus belongs to Falco' according to Temminck 1821
'Falco punctatus belongs to Falco'
'Falco rufinus is recombined as Buteo rufinus'
'Falco rusticolus belongs to Falco'
'Falco sparverius belongs to Falco'
'Falco subbuteo belongs to Falco'
'Falco tinnunculus belongs to Falco'
'Falco trivirgatus belongs to Falco' according to Temminck 1824
'Falco trivirgatus is recombined as Accipiter trivirgatus'
'Falco unicinctus belongs to Falco' according to Temminck 1824
'Falco unicinctus is recombined as Parabuteo unicinctus'
'Falco urubitinga is recombined as Buteogallus urubitinga'
'Falco velox belongs to Falco' according to Wilson 1812
'Falco velox is recombined as Accipiter striatus velox'
'Falco vespertinus belongs to Falco' according to Linnaeus 1766
'Falco vespertinus belongs to Falco'
'Falco vocifer is recombined as Haliaeetus vocifer'
'Falco vocifer belongs to Falco' according to Daudin 1800
'Falconidae belongs to Falconiformes'
'Ficedula belongs to Muscicapidae'
'Florida is a subjective synonym of Egretta'
'Forpus belongs to Psittacidae'
'Foudia belongs to Ploceidae'
'Foudia flavicans belongs to Foudia' according to Newton 1865
'Foudia flavicans belongs to Foudia'
'Foulehaio belongs to Meliphagidae'
'Francolinus belongs to Phasianidae'
'Francolinus clappertoni belongs to Francolinus' according to Children and Vigors 1826
'Francolinus clappertoni is recombined as Pternistis clappertoni'
'Francolinus lathami belongs to Francolinus' according to Hartlaub 1854
'Francolinus lathami is recombined as Peliperdix lathami'
'Francolinus shelleyi belongs to Francolinus' according to Ogilvie-Grant 1890
'Francolinus shelleyi is recombined as Scleroptila shelleyi'
'Fratercula belongs to Alcidae'
'Fregata belongs to Fregatidae'
'Fregata magnificens belongs to Fregata' according to Mathews 1914
'Fregata magnificens belongs to Fregata'
'Fregatidae belongs to Suliformes'
'Fregetta belongs to Hydrobatidae'
'Fregilupus belongs to Sturnidae'
'Fringilla belongs to Fringillidae'
'Fringilla agilis belongs to Fringilla' according to Tickell 1833
'Fringilla agilis is recombined as Dicaeum agile'
'Fringilla albicilla is recombined as Mohoua albicilla'
'Fringilla albicilla belongs to Fringilla' according to Lesson 1830
'Fringilla albicollis is recombined as Zonotrichia albicollis'
'Fringilla bicolor belongs to Fringilla' according to Linnaeus 1766
'Fringilla bicolor is recombined as Tiaris bicolor'
'Fringilla capensis belongs to Fringilla' according to Statius Muller 1776
'Fringilla capensis is recombined as Zonotrichia capensis'
'Fringilla carduelis is recombined as Carduelis carduelis'
'Fringilla chlorura belongs to Fringilla' according to Audubon 1839
'Fringilla chlorura is recombined as Pipilo chlorurus'
'Fringilla coelebs belongs to Fringilla'
'Fringilla domestica is recombined as Passer domesticus'
'Fringilla erythrophthalma is recombined as Pipilo erythrophthalmus'
'Fringilla flaveola belongs to Fringilla' according to Linnaeus 1766
'Fringilla flaveola is recombined as Sicalis flaveola'
'Fringilla georgiana belongs to Fringilla' according to Latham 1790
'Fringilla georgiana is recombined as Melospiza georgiana'
'Fringilla graminea belongs to Fringilla' according to Gmelin 1789
'Fringilla graminea is recombined as Pooecetes gramineus'
'Fringilla grammaca is recombined as Chondestes grammacus'
'Fringilla guttata belongs to Fringilla' according to Vieillot 1817
'Fringilla guttata is recombined as Taeniopygia guttata'
'Fringilla hispaniolensis belongs to Fringilla' according to Temminck 1820
'Fringilla hispaniolensis is recombined as Passer hispaniolensis'
'Fringilla hyemalis is recombined as Junco hyemalis'
'Fringilla iliaca is recombined as Passerella iliaca'
'Fringilla lapponica is recombined as Calcarius lapponicus'
'Fringilla lincolnii belongs to Fringilla' according to Audubon 1834
'Fringilla lincolnii is recombined as Melospiza lincolnii'
'Fringilla melodia is recombined as Melospiza melodia'
'Fringilla mexicana is recombined as Haemorhous mexicanus'
'Fringilla montifringilla belongs to Fringilla'
'Fringilla nivalis belongs to Fringilla' according to Linnaeus 1766
'Fringilla nivalis is recombined as Montifringilla nivalis'
'Fringilla noctis belongs to Fringilla' according to Linnaeus 1766
'Fringilla noctis is recombined as Loxigilla noctis'
'Fringilla oregana belongs to Fringilla' according to Townsend 1837
'Fringilla oregana is recombined as Junco hyemalis oreganus'
'Fringilla oregana is recombined as Junco oreganus' according to Sibley 1939
'Fringilla oryzivora is recombined as Dolichonyx oryzivorus'
'Fringilla passerina belongs to Fringilla' according to Bechstein 1798
'Fringilla passerina is recombined as Spizella passerina'
'Fringilla petronia belongs to Fringilla' according to Linnaeus 1766
'Fringilla petronia is recombined as Petronia petronia'
'Fringilla pinus is recombined as Spinus pinus'
'Fringilla pinus belongs to Fringilla' according to Wilson 1810
'Fringilla psaltria belongs to Fringilla' according to Say 1822
'Fringilla psaltria is recombined as Spinus psaltria'
'Fringilla purpurea belongs to Fringilla' according to Gmelin 1789
'Fringilla purpurea is recombined as Haemorhous purpureus'
'Fringilla pusilla is recombined as Spizella pusilla'
'Fringilla savannarum belongs to Fringilla' according to Gmelin 1789
'Fringilla savannarum is recombined as Ammodramus savannarum'
'Fringilla schoeniclus is recombined as Emberiza schoeniclus'
'Fringilla serinus is recombined as Serinus serinus'
'Fringilla serinus belongs to Fringilla' according to Linnaeus 1766
'Fringilla tristis belongs to Fringilla' according to Linnaeus 1758
'Fringilla tristis is recombined as Spinus tristis'
'Fringilla vespertina belongs to Fringilla' according to Cooper 1825
'Fringilla vespertina is recombined as Coccothraustes vespertinus'
'Fringilla zena is recombined as Spindalis zena'
'Fringillidae belongs to Passeriformes'
'Fulica belongs to Rallidae'
'Fulica americana belongs to Fulica'
'Fulica atra belongs to Fulica'
'Fulica cajanea belongs to Fulica' according to Statius Muller 1776
'Fulica cajanea is recombined as Aramides cajaneus'
'Fulica chloropus is recombined as Gallinula chloropus'
'Fulica cristata belongs to Fulica' according to Gmelin 1789
'Fulica cristata belongs to Fulica'
'Fulica martinica belongs to Fulica' according to Linnaeus 1766
'Fulica martinica is recombined as Porphyrio martinica'
'Fulica noveboracensis belongs to Fulica' according to Gmelin 1789
'Fulica noveboracensis is recombined as Coturnicops noveboracensis'
'Fulica porphyrio is recombined as Porphyrio porphyrio'
'Fulica spinosa is recombined as Jacana spinosa'
'Fuligula affinis is recombined as Aythya affinis'
'Fuligula americana is recombined as Aythya americana'
'Fulmarus belongs to Procellariidae'
'Funingus is a subjective synonym of Alectroenas'
'Furnariidae belongs to Passeriformes'
'Galbulae was reranked as the order Galbuliformes and belongs to Neornithes'
'Galerida belongs to Alaudidae'
'Gallicolumba belongs to Columbidae'
'Gallinago belongs to Scolopacidae'
'Gallinago aucklandica belongs to Gallinago' according to Gray 1845
'Gallinago aucklandica is recombined as Coenocorypha aucklandica'
'Gallinago chathamica is recombined as Coenocorypha chathamica'
'Gallinago megala belongs to Gallinago' according to Swinhoe 1861
'Gallinago megala belongs to Gallinago'
'Gallinago pusilla belongs to Gallinago' according to Butler 1869
'Gallinago pusilla is recombined as Coenocorypha pusilla'
'Gallinula belongs to Rallidae'
'Gallinula eurizonoides is recombined as Rallina eurizonoides'
'Gallinula eurizonoides belongs to Gallinula' according to Lafresnaye 1845
'Gallinula olivacea is recombined as Amaurornis olivacea'
'Gallinula olivacea belongs to Gallinula' according to Meyen 1834
'Gallinula phoenicurus belongs to Gallinula' according to Pennant 1769
'Gallinula phoenicurus is recombined as Amaurornis phoenicurus'
'Gallinula tenebrosa belongs to Gallinula' according to Gould 1846
'Gallinula tenebrosa belongs to Gallinula'
'Gallinula ventralis belongs to Gallinula' according to Gould 1837
'Gallinula ventralis is recombined as Tribonyx ventralis'
'Gallirallus belongs to Rallidae'
'Gallirallus lafresnayanus belongs to Gallirallus' according to Verreaux and des murs 1860
'Gallirallus lafresnayanus belongs to Gallirallus'
'Gallirallus owstoni belongs to Gallirallus' according to Rothschild 1895
'Gallirallus owstoni belongs to Gallirallus'
'Gallus belongs to Phasianidae'
'Garrodia belongs to Hydrobatidae'
'Garrulus belongs to Corvidae'
'Garrulus californicus belongs to Garrulus' according to Vigors 1839
'Garrulus californicus is recombined as Aphelocoma californica'
'Garrulus lidthi belongs to Garrulus' according to Bonaparte 1850
'Garrulus lidthi belongs to Garrulus'
'Gavia belongs to Gaviidae'
'Gavicalis belongs to Meliphagidae'
'Gaviidae belongs to Gaviiformes'
'Gelochelidon belongs to Laridae'
'Geocichla major belongs to Geocichla' according to Ogawa 1905
'Geocichla major is recombined as Zoothera dauma major'
'Geococcyx belongs to Cuculidae'
'Geoffroyus belongs to Psittaculidae'
'Geokichla belongs to Turdidae'
'Geokichla [misspelled as Geocichla] belongs to Turdidae' according to Ogawa 1905
'Geospiza belongs to Thraupidae'
'Geospiza difficilis belongs to Geospiza' according to Sharpe 1888
'Geospiza difficilis belongs to Geospiza'
'Geospiza fortis belongs to Geospiza' according to Gould 1837
'Geospiza fortis belongs to Geospiza'
'Geospiza fuliginosa belongs to Geospiza' according to Gould 1837
'Geospiza fuliginosa belongs to Geospiza'
'Geospiza magnirostris belongs to Geospiza' according to Gould 1837
'Geospiza magnirostris belongs to Geospiza'
'Geospiza nebulosa belongs to Geospiza' according to Gould 1837
'Geospiza nebulosa is replaced by Geospiza difficilis'
'Geospiza parvula belongs to Geospiza' according to Gould 1837
'Geospiza parvula is recombined as Camarhynchus parvulus'
'Geothlypis belongs to Parulidae'
'Geothlypis rostrata belongs to Geothlypis' according to Bryant 1867
'Geothlypis rostrata belongs to Geothlypis'
'Geotrygon belongs to Columbidae'
'Geotrygon chrysia belongs to Geotrygon' according to Bonaparte 1855
'Geotrygon chrysia belongs to Geotrygon'
'Geranoaetus belongs to Accipitridae'
'Geronticus belongs to Threskiornithidae'
'Gerygone belongs to Acanthizidae'
'Gerygone albofrontata belongs to Gerygone' according to Gray 1845
'Gerygone albofrontata belongs to Gerygone'
'Glareola belongs to Glareolidae'
'Glareolidae belongs to Charadriiformes'
'Glaucidium belongs to Strigidae'
'Glaucidium gnoma belongs to Glaucidium' according to Wagler 1832
'Glaucidium gnoma belongs to Glaucidium'
'Glaucionetta is a subjective synonym of Bucephala'
'Glaucopis cinerea is recombined as Callaeas cinereus'
'Glossopsitta belongs to Psittaculidae'
'Gracula belongs to Sturnidae'
'Gracula atthis is recombined as Alcedo atthis'
'Gracula melanocephala belongs to Gracula' according to Latham 1801
'Gracula melanocephala is recombined as Manorina melanocephala'
'Gracula quiscula is recombined as Quiscalus quiscula'
'Graculus is a subjective synonym of Phalacrocorax'
'Graculus coronatus belongs to Graculus' according to Wahlberg 1855
'Graculus coronatus is recombined as Microcarbo coronatus'
'Graculus neglectus belongs to Graculus' according to Wahlberg 1855
'Graculus neglectus is recombined as Phalacrocorax neglectus'
'Grallina belongs to Monarchidae'
'Gruidae belongs to Gruiformes'
'Grus belongs to Gruidae'
'Grus leucogeranus belongs to Grus' according to Pallas 1773
'Grus leucogeranus is recombined as Leucogeranus leucogeranus'
'Grus pratensis is recombined as Antigone canadensis pratensis'
'Guara is a subjective synonym of Eudocimus'
'Guiraca melanocephala is recombined as Pheucticus melanocephalus'
'Guiraca melanocephala belongs to Guiraca' according to Swainson 1827
'Gygis belongs to Laridae'
'Gygis microrhyncha belongs to Gygis' according to Saunders 1876
'Gygis microrhyncha is recombined as Gygis alba microrhyncha'
'Gymnasio is a subjective synonym of Megascops'
'Gymnogyps belongs to Cathartidae'
'Gymnomystax belongs to Icteridae'
'Gymnorhina belongs to Cracticidae'
'Gymnorhinus belongs to Corvidae'
'Gymnorhinus cyanocephalus belongs to Gymnorhinus' according to Wied-Neuwied 1841
'Gymnorhinus cyanocephalus belongs to Gymnorhinus'
'Gypaetus belongs to Accipitridae'
'Gyps belongs to Accipitridae'
'Gyps africanus belongs to Gyps'
'Haematopodidae belongs to Charadriiformes'
'Haematopus belongs to Haematopodidae'
'Haematopus finschi belongs to Haematopus'
'Haematopus moquini belongs to Haematopus' according to Bonaparte 1856
'Haematopus moquini belongs to Haematopus'
'Haematopus ostralegus belongs to Haematopus'
'Haematopus palliatus belongs to Haematopus'
'Haematopus unicolor belongs to Haematopus'
'Haemorhous belongs to Fringillidae'
'Halcyon belongs to Alcedinidae'
'Halcyon cinnamomina belongs to Halcyon' according to Swainson 1821
'Halcyon cinnamomina is recombined as Todiramphus cinnamominus'
'Halcyon godeffroyi belongs to Halcyon' according to Finsch 1877
'Halcyon godeffroyi is recombined as Todiramphus godeffroyi'
'Halcyon mangaia belongs to Halcyon' according to Holyoak 1975
'Halcyon mangaia is an objective synonym of Todiramphus ruficollaris'
'Halcyon ruficollaris belongs to Halcyon' according to Holyoak 1974
'Halcyon ruficollaris is recombined as Todiramphus ruficollaris'
'Halcyon sanctus belongs to Halcyon' according to Vigors and Horsfield 1827
'Halcyon sanctus is recombined as Todiramphus sanctus'
'Haliaeetus belongs to Accipitridae'
'Haliaeetus vociferoides belongs to Haliaeetus' according to des Murs 1845
'Haliaeetus vociferoides belongs to Haliaeetus'
'Haliastur belongs to Accipitridae'
'Halobaena belongs to Procellariidae'
'Halocyptena is a subjective synonym of Oceanodroma'
'Halocyptena microsoma belongs to Halocyptena' according to Coues 1864
'Halocyptena microsoma is recombined as Oceanodroma microsoma'
'Hapalocrex belongs to Rallidae'
'Harpes rediviva belongs to Harpes' according to Gambel 1845
'Harpes rediviva is recombined as Toxostoma redivivum'
'Harpia belongs to Accipitridae'
'Heliopais belongs to Heliornithidae'
'Heliornithidae belongs to Gruiformes'
'Hemignathus belongs to Fringillidae'
'Hemignathus lucidus belongs to Hemignathus'
'Hemiphaga belongs to Columbidae'
'Hemipodius is a subjective synonym of Turnix'
'Hemipodius maculosus belongs to Hemipodius' according to Temminck 1815
'Hemipodius maculosus is recombined as Turnix maculosus'
'Hemipodius velox belongs to Hemipodius' according to Gould 1841
'Hemipodius velox is recombined as Turnix velox'
'Hemiprocne belongs to Hemiprocnidae'
'Hemiprocne salangana is recombined as Aerodramus salangana'
'Hemiprocne salangana belongs to Hemiprocne' according to Streubel 1848
'Hemiprocnidae belongs to Caprimulgiformes'
'Herodias is a subjective synonym of Ardea'
'Hieraaetus belongs to Accipitridae'
'Hierofalco was reranked as Falco (Hierofalco) and belongs to Falco'
'Himantopus belongs to Recurvirostridae'
'Himantopus novaezelandiae belongs to Himantopus' according to Gould 1841
'Himantopus novaezelandiae belongs to Himantopus'
'Himatione belongs to Fringillidae'
'Himatione maculata is recombined as Paroreomyza maculata'
'Himatione parva is recombined as Magumma parva'
'Hirundinidae belongs to Passeriformes'
'Hirundo belongs to Hirundinidae'
'Hirundo apus is recombined as Apus apus'
'Hirundo bicolor belongs to Hirundo' according to Vieillot 1808
'Hirundo bicolor is recombined as Tachycineta bicolor'
'Hirundo borbonica belongs to Hirundo' according to Gmelin 1789
'Hirundo borbonica is recombined as Phedina borbonica'
'Hirundo daurica belongs to Hirundo' according to Laxmann 1769
'Hirundo daurica is recombined as Cecropis daurica'
'Hirundo esculenta is recombined as Collocalia esculenta'
'Hirundo fuciphaga belongs to Hirundo' according to Thunberg 1812
'Hirundo fuciphaga is recombined as Aerodramus fuciphagus'
'Hirundo fulva is recombined as Petrochelidon fulva'
'Hirundo fulva belongs to Hirundo' according to Vieillot 1808
'Hirundo melba is recombined as Apus melba'
'Hirundo neoxena belongs to Hirundo' according to Gould 1842
'Hirundo neoxena belongs to Hirundo'
'Hirundo nigra belongs to Hirundo' according to Gmelin 1789
'Hirundo nigra is recombined as Cypseloides niger'
'Hirundo nigricans is recombined as Petrochelidon nigricans'
'Hirundo nigricans belongs to Hirundo' according to Vieillot 1817
'Hirundo pelagica is recombined as Chaetura pelagica'
'Hirundo pyrrhonota is recombined as Petrochelidon pyrrhonota'
'Hirundo riparia is recombined as Riparia riparia'
'Hirundo rupestris belongs to Hirundo' according to Scopoli 1769
'Hirundo rupestris is recombined as Ptyonoprogne rupestris'
'Hirundo rustica belongs to Hirundo'
'Hirundo tahitica belongs to Hirundo' according to Gmelin 1789
'Hirundo tahitica belongs to Hirundo'
'Hirundo urbica is recombined as Delichon urbicum'
'Hirundo vanikorensis belongs to Hirundo' according to Quoy and Gaimard 1830
'Hirundo vanikorensis is recombined as Aerodramus vanikorensis'
'Hirundo zonaris belongs to Hirundo' according to Shaw 1796
'Hirundo zonaris is recombined as Streptoprocne zonaris'
'Histrionicus belongs to Anatidae'
'Hydranassa is a subjective synonym of Egretta'
'Hydrobates belongs to Hydrobatidae'
'Hydrobatidae belongs to Procellariiformes'
'Hydrochelidon is a subjective synonym of Chlidonias'
'Hydrochelidon albostriata belongs to Hydrochelidon' according to Gray 1845
'Hydrochelidon albostriata is recombined as Chlidonias albostriatus'
'Hydrocoloeus belongs to Laridae'
'Hydrocorax is replaced by Microcarbo'
'Hydrocorax melanoleucos is recombined as Microcarbo melanoleucos'
'Hydrocorax melanoleucos belongs to Hydrocorax' according to Vieillot 1817
'Hydroprogne belongs to Laridae'
'Hyetornis is a subjective synonym of Coccyzus'
'Hylactes tarnii is recombined as Pteroptochos tarnii'
'Hylocichla belongs to Turdidae'
'Hylophilus belongs to Vireonidae'
'Hylophilus flavipes belongs to Hylophilus' according to Lafresnaye 1845
'Hylophilus flavipes belongs to Hylophilus'
'Hymenolaimus belongs to Anatidae'
'Hypotaenidia is a subjective synonym of Gallirallus'
'Hypothymis belongs to Monarchidae'
'Hypsipetes belongs to Pycnonotidae'
'Hypsipetes olivaceus belongs to Hypsipetes'
'Hypsipetes olivaceus belongs to Hypsipetes' according to Jardine and Selby 1837
'Ibis molucca belongs to Ibis' according to Cuvier 1829
'Ibis molucca is recombined as Threskiornis molucca'
'Icteridae belongs to Passeriformes'
'Icterus belongs to Icteridae'
'Icterus oberi belongs to Icterus' according to Lawrence 1880
'Icterus oberi belongs to Icterus'
'Icterus tricolor belongs to Icterus' according to Audubon 1837
'Icterus tricolor is recombined as Agelaius tricolor'
'Icterus xanthocephalus is recombined as Xanthocephalus xanthocephalus'
'Ictinaetus belongs to Accipitridae'
'Ictinia belongs to Accipitridae'
'Ionornis is a subjective synonym of Porphyrio'
'Ixobrychus belongs to Ardeidae'
'Ixoreus belongs to Turdidae'
'Jabiru belongs to Ciconiidae'
'Jacana belongs to Jacanidae'
'Jacanidae belongs to Charadriiformes'
'Junco belongs to Passerellidae'
'Jynx belongs to Picidae'
'Jynx torquilla belongs to Jynx'
'Ketupa belongs to Strigidae'
'Lagopus was reranked as Tetrao (Lagopus) and belongs to Tetrao' according to Richardson 1831
'Lagopus belongs to Phasianidae'
'Lalage belongs to Campephagidae'
'Lamprothornis is a subjective synonym of Aplonis'
'Lamprothornis opaca belongs to Lamprothornis' according to Kittlitz 1833
'Lamprothornis opaca is recombined as Aplonis opaca'
'Laniidae belongs to Passeriformes'
'Laniovireo crassirostris belongs to Laniovireo' according to Bryant 1859
'Laniovireo crassirostris is recombined as Vireo crassirostris'
'Lanius belongs to Laniidae'
'Lanius cristatus belongs to Lanius'
'Lanius curvirostris belongs to Lanius' according to Linnaeus 1766
'Lanius curvirostris is recombined as Vanga curvirostris'
'Lanius dominicensis is recombined as Tyrannus dominicensis'
'Lanius dominicensis belongs to Lanius' according to Gmelin 1788
'Lanius garrulus is recombined as Bombycilla garrulus'
'Lanius leucorynchus belongs to Lanius' according to Linnaeus 1771
'Lanius leucorynchus is recombined as Artamus leucorynchus'
'Lanius lictor belongs to Lanius' according to Lichtenstein 1823
'Lanius lictor is recombined as Pitangus lictor'
'Lanius ludovicianus belongs to Lanius'
'Lanius senator belongs to Lanius'
'Lanius sulphuratus belongs to Lanius' according to Linnaeus 1766
'Lanius sulphuratus is recombined as Pitangus sulphuratus'
'Lanius tabuensis belongs to Lanius' according to Gmelin 1788
'Lanius tabuensis is recombined as Aplonis tabuensis'
'Lanius tyrannus is recombined as Tyrannus tyrannus'
'Lanius viridis belongs to Lanius' according to Statius Muller 1776
'Lanius viridis is recombined as Artamella viridis'
'Lanivireo is a subjective synonym of Vireo'
'Lanivireo [misspelled as Laniovireo] belongs to Aves' according to Bryant 1859
'Laridae belongs to Charadriiformes'
'Larosterna belongs to Laridae'
'Larus belongs to Laridae'
'Larus (Rissa) brevirostris belongs to Larus (Rissa)' according to Bruch 1853
'Larus (Rissa) brevirostris is recombined as Rissa brevirostris'
'Larus argentatus belongs to Larus'
'Larus atricilla is recombined as Leucophaeus atricilla'
'Larus bulleri is recombined as Chroicocephalus bulleri'
'Larus cachinnans belongs to Larus' according to Pallas 1811
'Larus cachinnans belongs to Larus'
'Larus californicus belongs to Larus'
'Larus canus belongs to Larus'
'Larus cirrocephalus belongs to Larus' according to Vieillot 1818
'Larus cirrocephalus is recombined as Chroicocephalus cirrocephalus'
'Larus delawarensis belongs to Larus'
'Larus dominicanus belongs to Larus'
'Larus eburneus belongs to Larus' according to Phipps 1774
'Larus eburneus is recombined as Pagophila eburnea'
'Larus fuscus belongs to Larus'
'Larus glaucescens belongs to Larus' according to Naumann 1840
'Larus glaucescens belongs to Larus'
'Larus hartlaubii belongs to Larus' according to Bruch 1853
'Larus hartlaubii is recombined as Chroicocephalus hartlaubii'
'Larus heermanni belongs to Larus' according to Cassin 1852
'Larus heermanni belongs to Larus'
'Larus hyperboreus belongs to Larus' according to Gunnerus 1767
'Larus hyperboreus belongs to Larus'
'Larus marinus belongs to Larus'
'Larus minutus is recombined as Hydrocoloeus minutus'
'Larus novaehollandiae is recombined as Chroicocephalus novaehollandiae'
'Larus occidentalis belongs to Larus' according to Audubon 1839
'Larus occidentalis belongs to Larus'
'Larus parasiticus is recombined as Stercorarius parasiticus'
'Larus pipixcan belongs to Larus' according to Wagler 1831
'Larus pipixcan is recombined as Leucophaeus pipixcan'
'Larus ridibundus is recombined as Chroicocephalus ridibundus'
'Larus sabini belongs to Larus' according to Sabine 1819
'Larus sabini is recombined as Xema sabini'
'Larus scoresbii belongs to Larus' according to Traill 1823
'Larus scoresbii is recombined as Leucophaeus scoresbii'
'Laterallus belongs to Rallidae'
'Lathamus belongs to Psittaculidae'
'Lawrencia is a subjective synonym of Vireo'
'Leptopterus belongs to Vangidae'
'Leptoptilos belongs to Ciconiidae'
'Leptosomidae belongs to Leptosomiformes'
'Leptosomiformes belongs to Neornithes'
'Leptosomus belongs to Leptosomidae'
'Leptotila belongs to Columbidae'
'Leptotila verreauxi belongs to Leptotila' according to Bonaparte 1855
'Leptotila verreauxi belongs to Leptotila'
'Lestris is a subjective synonym of Stercorarius'
'Lestris antarcticus belongs to Lestris' according to Lesson 1831
'Lestris antarcticus is recombined as Stercorarius antarcticus'
'Lestris antarcticus is recombined as Catharacta antarctica' according to Mathews 1912
'Lestris pomarinus is recombined as Stercorarius pomarinus'
'Leucogeranus belongs to Gruidae'
'Leucophaeus belongs to Laridae'
'Leucophoyx is a subjective synonym of Egretta'
'Leucosticte belongs to Fringillidae'
'Leucosticte was reranked as Linaria (Leucosticte) and belongs to Linaria' according to Swainson 1832
'Leucosticte atrata belongs to Leucosticte' according to Ridgway 1874
'Leucosticte atrata belongs to Leucosticte'
'Lewinia belongs to Rallidae'
'Lichenostomus belongs to Meliphagidae'
'Limicola is a subjective synonym of Calidris'
'Limnodromus belongs to Scolopacidae'
'Limosa belongs to Scolopacidae'
'Limosa scolopacea is recombined as Limnodromus scolopaceus'
'Linaria belongs to Fringillidae'
'Linaria (Leucosticte) tephrocotis belongs to Linaria (Leucosticte)' according to Swainson 1832
'Linaria (Leucosticte) tephrocotis is recombined as Leucosticte tephrocotis'
'Lobipes is a subjective synonym of Phalaropus'
'Locustellidae belongs to Passeriformes'
'Lophodytes belongs to Anatidae'
'Lophonetta belongs to Anatidae'
'Lophortyx is a subjective synonym of Callipepla'
'Lophortyx gambelii is recombined as Callipepla gambelii'
'Lophotibis belongs to Threskiornithidae'
'Lorius belongs to Psittaculidae'
'Loxia belongs to Fringillidae'
'Loxia caerulea is recombined as Passerina caerulea'
'Loxia cardinalis is recombined as Cardinalis cardinalis'
'Loxia chloris is recombined as Chloris chloris'
'Loxia coccothraustes is recombined as Coccothraustes coccothraustes'
'Loxia curvirostra belongs to Loxia'
'Loxia cyanoptera belongs to Loxia' according to Latham 1801
'Loxia cyanoptera is recombined as Artamus cyanopterus'
'Loxia enucleator is recombined as Pinicola enucleator'
'Loxia madagascariensis belongs to Loxia' according to Linnaeus 1766
'Loxia madagascariensis is recombined as Foudia madagascariensis'
'Loxia madagascarinus belongs to Loxia' according to Linnaeus 1766
'Loxia madagascarinus is recombined as Cyanolanius madagascarinus'
'Loxia megaplaga belongs to Loxia' according to Riley 1916
'Loxia megaplaga belongs to Loxia'
'Loxia psittacea is recombined as Psittirostra psittacea'
'Loxia pyrrhula is recombined as Pyrrhula pyrrhula'
'Loxia violacea is recombined as Loxigilla violacea'
'Loxigilla belongs to Thraupidae'
'Loxioides belongs to Fringillidae'
'Loxioides bailleui belongs to Loxioides'
'Lullula belongs to Alaudidae'
'Luscinia belongs to Muscicapidae'
'Luscinia megarhynchos belongs to Luscinia'
'Luscinia megarhynchos belongs to Luscinia' according to Brehm 1831
'Lymnocryptes belongs to Scolopacidae'
'Macheiramphus belongs to Accipitridae'
'Macheiramphus alcinus belongs to Macheiramphus' according to Bonaparte 1850
'Macheiramphus alcinus belongs to Macheiramphus'
'Macronectes belongs to Procellariidae'
'Macronectes halli belongs to Macronectes' according to Mathews 1912
'Macronectes halli belongs to Macronectes'
'Macropteryx is a subjective synonym of Hemiprocne'
'Macropteryx spodiopygius belongs to Macropteryx' according to Peale 1848
'Macropteryx spodiopygius is recombined as Aerodramus spodiopygius'
'Macropygia belongs to Columbidae'
'Macropygia mackinlayi belongs to Macropygia' according to Ramsay 1878
'Macropygia mackinlayi belongs to Macropygia'
'Macropygia nigrirostris belongs to Macropygia' according to Salvadori 1876
'Macropygia nigrirostris belongs to Macropygia'
'Macrosphenidae belongs to Passeriformes'
'Magumma belongs to Fringillidae'
'Malacoptila belongs to Bucconidae'
'Malacorhynchus belongs to Anatidae'
'Maluridae belongs to Passeriformes'
'Malurus belongs to Maluridae'
'Malurus textilis belongs to Malurus' according to Dumont 1824
'Malurus textilis is recombined as Amytornis textilis'
'Manorina belongs to Meliphagidae'
'Mareca belongs to Anatidae'
'Mareca castanea is recombined as Anas castanea'
'Margarobyas belongs to Strigidae'
'Margaroperdix belongs to Phasianidae'
'Margarops belongs to Mimidae'
'Marmaronetta belongs to Anatidae'
'Mascarinus belongs to Psittaculidae'
'Megaceryle belongs to Alcedinidae'
'Megadyptes belongs to Spheniscidae'
'Megalurus belongs to Locustellidae'
'Megalurus cruralis belongs to Megalurus' according to Vigors and Horsfield 1827
'Megalurus cruralis belongs to Megalurus'
'Megapodidae is corrected as Megapodiidae and belongs to Galliformes'
'Megapodius belongs to Megapodiidae'
'Megapodius eremita belongs to Megapodius' according to Hartlaub 1868
'Megapodius eremita belongs to Megapodius'
'Megapodius freycinet belongs to Megapodius'
'Megapodius laperouse belongs to Megapodius' according to Gaimard 1823
'Megapodius laperouse belongs to Megapodius'
'Megapodius layardi belongs to Megapodius' according to Tristram 1879
'Megapodius layardi belongs to Megapodius'
'Megapodius pritchardii belongs to Megapodius' according to Gray 1864
'Megapodius pritchardii belongs to Megapodius'
'Megascops belongs to Strigidae'
'Melanerpes belongs to Picidae'
'Melanitta belongs to Anatidae'
'Melanocorypha belongs to Alaudidae'
'Melanodera belongs to Thraupidae'
'Meleagris belongs to Phasianidae'
'Meleagris gallopavo belongs to Meleagris'
'Meliphaga belongs to Meliphagidae'
'Meliphagidae belongs to Passeriformes'
'Melithreptus belongs to Meliphagidae'
'Melithreptus virescens belongs to Melithreptus' according to Vieillot 1817
'Melithreptus virescens is recombined as Gavicalis virescens'
'Mellisuga belongs to Trochilidae'
'Melopyrrha belongs to Thraupidae'
'Melospiza belongs to Passerellidae'
'Melozone belongs to Passerellidae'
'Mergellus belongs to Anatidae'
'Mergus belongs to Anatidae'
'Mergus albellus is recombined as Mergellus albellus'
'Mergus australis belongs to Mergus'
'Mergus cucullatus is recombined as Lophodytes cucullatus'
'Mergus merganser belongs to Mergus'
'Mergus serrator belongs to Mergus'
'Meropidae belongs to Coraciiformes'
'Merops belongs to Meropidae'
'Merops carunculata is recombined as Anthochaera carunculata'
'Merops chrysopterus is recombined as Anthochaera chrysoptera'
'Merops novaeseelandiae is recombined as Prosthemadera novaeseelandiae'
'Merops superciliosus belongs to Merops' according to Linnaeus 1766
'Merops superciliosus belongs to Merops'
'Mesitornithidae belongs to Mesitornithiformes'
'Mesitornithiformes belongs to Neornithes'
'Microcarbo belongs to Phalacrocoracidae'
'Microligea belongs to Phaenicophilidae'
'Microligea montana belongs to Microligea' according to Chapman 1917
'Microligea montana is recombined as Xenoligea montana'
'Micropalama is a subjective synonym of Calidris'
'Microsiphonorhis is a subjective synonym of Siphonorhis'
'Microsiphonorhis brewsteri belongs to Microsiphonorhis' according to Chapman 1917
'Microsiphonorhis brewsteri is recombined as Siphonorhis brewsteri'
'Milvago belongs to Falconidae'
'Milvus belongs to Accipitridae'
'Milvus leucurus belongs to Milvus' according to Vieillot 1818
'Milvus leucurus is recombined as Elanus leucurus'
'Milvus sphenurus belongs to Milvus' according to Vieillot 1818
'Milvus sphenurus is recombined as Haliastur sphenurus'
'Mimidae belongs to Passeriformes'
'Mimocichla is a subjective synonym of Turdus'
'Mimus belongs to Mimidae'
'Mimus gundlachii belongs to Mimus' according to Cabanis 1855
'Mimus gundlachii belongs to Mimus'
'Mino belongs to Sturnidae'
'Mino dumontii belongs to Mino' according to Lesson 1827
'Mino dumontii belongs to Mino'
'Mirafra belongs to Alaudidae'
'Mirafra hova belongs to Mirafra' according to Hartlaub 1860
'Mirafra hova is recombined as Eremopterix hova'
'Mirafra javanica belongs to Mirafra' according to Horsfield 1821
'Mirafra javanica belongs to Mirafra'
'Miro is a subjective synonym of Petroica'
'Miro traversi belongs to Miro' according to Buller 1872
'Miro traversi is recombined as Petroica traversi'
'Moho belongs to Mohoidae'
'Moho apicalis belongs to Moho'
'Moho braccatus belongs to Moho'
'Mohoidae belongs to Passeriformes'
'Mohoua belongs to Mohouidae'
'Mohouidae belongs to Passeriformes'
'Molothrus belongs to Icteridae'
'Momotidae belongs to Coraciiformes'
'Momotus belongs to Momotidae'
'Momotus lessonii belongs to Momotus'
'Momotus lessonii belongs to Momotus' according to Lesson 1842
'Monarcha belongs to Monarchidae'
'Monarcharses is a subjective synonym of Monarcha'
'Monarcharses takatsukasae belongs to Monarcharses' according to Yamashina 1931
'Monarcharses takatsukasae is recombined as Monarcha takatsukasae'
'Monarchidae belongs to Passeriformes'
'Monias belongs to Mesitornithidae'
'Monias benschi belongs to Monias' according to Oustalet and Grandidier 1903
'Monias benschi belongs to Monias'
'Monticola belongs to Muscicapidae'
'Montifringilla belongs to Passeridae'
'Mormon corniculata is recombined as Fratercula corniculata'
'Morococcyx belongs to Cuculidae'
'Morus belongs to Sulidae'
'Motacilla belongs to Motacillidae'
'Motacilla alba belongs to Motacilla'
'Motacilla aurocapilla is recombined as Seiurus aurocapilla'
'Motacilla aurocapilla belongs to Motacilla' according to Linnaeus 1766
'Motacilla borin belongs to Motacilla' according to Boddaert 1783
'Motacilla borin is recombined as Sylvia borin'
'Motacilla caerulea is recombined as Polioptila caerulea'
'Motacilla caerulea belongs to Motacilla' according to Linnaeus 1766
'Motacilla chrysoptera belongs to Motacilla' according to Linnaeus 1766
'Motacilla chrysoptera is recombined as Vermivora chrysoptera'
'Motacilla cinerea belongs to Motacilla' according to Tunstall 1771
'Motacilla cinerea belongs to Motacilla'
'Motacilla coronata belongs to Motacilla' according to Linnaeus 1766
'Motacilla coronata is recombined as Setophaga coronata'
'Motacilla flava belongs to Motacilla'
'Motacilla hispanica is recombined as Oenanthe hispanica'
'Motacilla hypoleuca belongs to Motacilla' according to Pallas 1764
'Motacilla hypoleuca is recombined as Ficedula hypoleuca'
'Motacilla maderaspatana belongs to Motacilla' according to Linnaeus 1766
'Motacilla maderaspatana is recombined as Zosterops maderaspatanus'
'Motacilla mauritiana belongs to Motacilla' according to Gmelin 1789
'Motacilla mauritiana is recombined as Zosterops mauritianus'
'Motacilla modularis is recombined as Prunella modularis'
'Motacilla ochruros belongs to Motacilla' according to Gmelin 1774
'Motacilla ochruros is recombined as Phoenicurus ochruros'
'Motacilla oenanthe is recombined as Oenanthe oenanthe'
'Motacilla petechia belongs to Motacilla' according to Linnaeus 1766
'Motacilla petechia is recombined as Setophaga petechia'
'Motacilla phoenicurus is recombined as Phoenicurus phoenicurus'
'Motacilla rubecula is recombined as Erithacus rubecula'
'Motacilla rubetra is recombined as Saxicola rubetra'
'Motacilla sialis is recombined as Sialia sialis'
'Motacilla striata belongs to Motacilla' according to Pallas 1764
'Motacilla striata is recombined as Muscicapa striata'
'Motacilla torquata belongs to Motacilla' according to Linnaeus 1768
'Motacilla torquata is recombined as Saxicola torquatus'
'Motacilla troglodytes is recombined as Troglodytes troglodytes'
'Motacillidae belongs to Passeriformes'
'Motacillinae belongs to Motacillidae'
'Muscicapa belongs to Muscicapidae'
'Muscicapa altiloqua belongs to Muscicapa' according to Vieillot 1808
'Muscicapa altiloqua is recombined as Vireo altiloquus'
'Muscicapa azurea belongs to Muscicapa' according to Boddaert 1783
'Muscicapa azurea is recombined as Hypothymis azurea'
'Muscicapa carolinensis is recombined as Dumetella carolinensis'
'Muscicapa fuliginosa is recombined as Rhipidura fuliginosa'
'Muscicapa fusca belongs to Muscicapa' according to Statius Muller 1776
'Muscicapa fusca is recombined as Allenia fusca'
'Muscicapa guttata belongs to Muscicapa' according to Pallas 1811
'Muscicapa guttata is recombined as Catharus guttatus'
'Muscicapa mutata belongs to Muscicapa' according to Linnaeus 1766
'Muscicapa mutata is recombined as Terpsiphone mutata'
'Muscicapa obscura is recombined as Myadestes obscurus'
'Muscicapa ochrocephala belongs to Muscicapa' according to Gmelin 1789
'Muscicapa ochrocephala is recombined as Mohoua ochrocephala'
'Muscicapa phoebe is recombined as Sayornis phoebe'
'Muscicapa rubinus belongs to Muscicapa' according to Boddaert 1783
'Muscicapa rubinus is recombined as Pyrocephalus rubinus'
'Muscicapa rufifrons belongs to Muscicapa' according to Latham 1801
'Muscicapa rufifrons is recombined as Rhipidura rufifrons'
'Muscicapa sagrae belongs to Muscicapa' according to Gundlach 1852
'Muscicapa sagrae is recombined as Myiarchus sagrae'
'Muscicapa sandwichensis is recombined as Chasiempis sandwichensis'
'Muscicapa saya belongs to Muscicapa' according to Bonaparte 1825
'Muscicapa saya is recombined as Sayornis saya'
'Muscicapa similis belongs to Muscicapa' according to von Spix 1825
'Muscicapa similis is recombined as Myiozetetes similis'
'Muscicapa virens is recombined as Contopus virens'
'Muscicapidae belongs to Passeriformes'
'Muscipeta caribaea belongs to Muscipeta' according to d'Orbigny 1839
'Muscipeta caribaea is recombined as Contopus caribaeus'
'Myadestes belongs to Turdidae'
'Mycteria belongs to Ciconiidae'
'Mycteria americana belongs to Mycteria'
'Mycteria asiatica is recombined as Ephippiorhynchus asiaticus'
'Myiagra belongs to Monarchidae'
'Myiagra freycineti belongs to Myiagra' according to Oustalet 1881
'Myiagra freycineti belongs to Myiagra'
'Myiarchus belongs to Tyrannidae'
'Myiobius belongs to Tyrannidae'
'Myiodynastes belongs to Tyrannidae'
'Myiodynastes luteiventris belongs to Myiodynastes' according to Sclater 1859
'Myiodynastes luteiventris belongs to Myiodynastes'
'Myiolestes is a subjective synonym of Colluricincla'
'Myiolestes vitiensis is recombined as Clytorhynchus vitiensis'
'Myiolestes vitiensis belongs to Myiolestes' according to Hartlaub 1866
'Myiozetetes belongs to Tyrannidae'
'Myzomela belongs to Meliphagidae'
'Nectariniidae belongs to Passeriformes'
'Neophron belongs to Accipitridae'
'Neotis belongs to Otididae'
'Nesillas belongs to Acrocephalidae'
'Nesoclopeus belongs to Rallidae'
'Nesoctites belongs to Picidae'
'Nesoenas belongs to Columbidae'
'Nesofregetta belongs to Hydrobatidae'
'Nestor belongs to Strigopidae'
'Nestor notabilis belongs to Nestor'
'Netta belongs to Anatidae'
'Ninox belongs to Strigidae'
'Ninox solomonis belongs to Ninox' according to Sharpe 1876
'Ninox solomonis is a subjective synonym of Ninox variegata'
'Noctua is a subjective synonym of Asio'
'Noctua variegata belongs to Noctua' according to Quoy and Gaimard 1830
'Noctua variegata is recombined as Ninox variegata'
'Nomonyx belongs to Anatidae'
'Nothura belongs to Tinamidae'
'Nothura darwinii belongs to Nothura' according to Gray 1867
'Nothura darwinii belongs to Nothura'
'Notornis hochstetteri is recombined as Porphyrio hochstetteri'
'Nucifraga belongs to Corvidae'
'Numenius belongs to Scolopacidae'
'Numenius americanus belongs to Numenius' according to Bechstein 1812
'Numenius americanus belongs to Numenius'
'Numenius chihi is recombined as Plegadis chihi'
'Numenius minutus belongs to Numenius'
'Numenius minutus belongs to Numenius' according to Gould 1841
'Numida belongs to Numididae'
'Numididae belongs to Galliformes'
'Nyctalops is a subjective synonym of Asio'
'Nyctalops stygius belongs to Nyctalops' according to Wagler 1832
'Nyctalops stygius is recombined as Asio stygius'
'Nyctanassa belongs to Ardeidae'
'Nyctea is a subjective synonym of Bubo'
'Nyctibiidae belongs to Caprimulgiformes'
'Nyctibius belongs to Nyctibiidae'
'Nycticorax belongs to Ardeidae'
'Nyroca australis is recombined as Aythya australis'
'Oceanites belongs to Hydrobatidae'
'Oceanitidae is a subjective synonym of Hydrobatidae'
'Oceanodroma belongs to Hydrobatidae'
'Ocyphaps belongs to Columbidae'
'Ocypterus is a subjective synonym of Artamus'
'Ocypterus superciliosus belongs to Ocypterus' according to Gould 1837
'Ocypterus superciliosus is recombined as Artamus superciliosus'
'Odontophoridae belongs to Galliformes'
'Odontophorus belongs to Odontophoridae'
'Oedemia deglandi belongs to Oedemia' according to Bonaparte 1850
'Oedemia deglandi is recombined as Melanitta fusca deglandi'
'Oedicnemus is a subjective synonym of Burhinus'
'Oedicnemus capensis belongs to Oedicnemus' according to Lichtenstein 1823
'Oedicnemus capensis is recombined as Burhinus capensis'
'Oedicnemus magnirostris belongs to Oedicnemus' according to Vieillot 1818
'Oedicnemus magnirostris is recombined as Esacus magnirostris'
'Oedicnemus superciliaris belongs to Oedicnemus' according to von Tschudi 1843
'Oedicnemus superciliaris is recombined as Burhinus superciliaris'
'Oena belongs to Columbidae'
'Oenanthe belongs to Muscicapidae'
'Oestrelata axillaris belongs to Oestrelata' according to Salvin 1893
'Oestrelata axillaris is recombined as Pterodroma axillaris'
'Oestrelata heraldica belongs to Oestrelata' according to Salvin 1888
'Oestrelata heraldica is recombined as Pterodroma heraldica'
'Oestrelata hypoleuca is recombined as Pterodroma hypoleuca'
'Oestrelata nigripennis belongs to Oestrelata' according to Rothschild 1893
'Oestrelata nigripennis is recombined as Pterodroma nigripennis'
'Oestrelata phaeopygia is recombined as Pterodroma phaeopygia'
'Oidemia is a subjective synonym of Melanitta'
'Oidemia [misspelled as Oedemia] belongs to Aves' according to Bonaparte 1850
'Onychoprion belongs to Laridae'
'Oreomystis belongs to Fringillidae'
'Oreomyza is a subjective synonym of Oreomystis'
'Oreomyza bairdi is recombined as Oreomystis bairdi'
'Oreopeleia is a subjective synonym of Geotrygon'
'Oreopholus belongs to Charadriidae'
'Oreortyx belongs to Odontophoridae'
'Oreothlypis belongs to Parulidae'
'Oressochen belongs to Anatidae'
'Oriolidae belongs to Passeriformes'
'Oriolus belongs to Oriolidae'
'Oriolus ater is recombined as Molothrus ater'
'Oriolus icterocephalus belongs to Oriolus' according to Linnaeus 1766
'Oriolus icterocephalus is recombined as Chrysomus icterocephalus'
'Oriolus mexicanus belongs to Oriolus' according to Linnaeus 1766
'Oriolus mexicanus is recombined as Gymnomystax mexicanus'
'Oriolus phoeniceus is recombined as Agelaius phoeniceus'
'Oriolus spurius belongs to Oriolus' according to Linnaeus 1766
'Oriolus spurius is recombined as Icterus spurius'
'Ornismya is a nomen nudum'
'Ornismya ricordii belongs to Ornismya' according to Gervais 1835
'Ornismya ricordii is recombined as Chlorostilbon ricordii'
'Ornismya swainsonii belongs to Ornismya' according to Lesson 1829
'Ornismya swainsonii is recombined as Chlorostilbon swainsonii'
'Orpheus is a subjective synonym of Mimus'
'Orpheus trifasciatus belongs to Orpheus' according to Gould 1837
'Orpheus trifasciatus is recombined as Mimus trifasciatus'
'Ortalis belongs to Cracidae'
'Orthonychidae belongs to Passeriformes'
'Orthonyx belongs to Orthonychidae'
'Orthorhyncus belongs to Trochilidae'
'Ortyx is replaced by Colinus'
'Ortyx douglasii belongs to Ortyx' according to Vigors 1829
'Ortyx douglasii is recombined as Callipepla douglasii'
'Ortyx guttata belongs to Ortyx' according to Gould 1838
'Ortyx guttata is recombined as Odontophorus guttatus'
'Ortyx montezumae belongs to Ortyx' according to Vigors 1830
'Ortyx montezumae is recombined as Cyrtonyx montezumae'
'Ortyx ocellatus belongs to Ortyx' according to Gould 1837
'Ortyx ocellatus is recombined as Cyrtonyx ocellatus'
'Ortyx picta is recombined as Oreortyx pictus'
'Otididae belongs to Otidiformes'
'Otidiformes belongs to Neornithes'
'Otis belongs to Otididae'
'Otis denhami is recombined as Neotis denhami'
'Otis denhami belongs to Otis' according to Children and Vigors 1826
'Otis tarda belongs to Otis'
'Otis tetrax is recombined as Tetrax tetrax'
'Otus belongs to Strigidae'
'Otus madagascariensis belongs to Otus' according to Smith 1834
'Otus madagascariensis is recombined as Asio madagascariensis'
'Otus wilsonianus is recombined as Asio otus wilsonianus'
'Otus wilsonianus belongs to Otus' according to Lesson 1830
'Oxyechus is a subjective synonym of Charadrius'
'Oxynotus is a subjective synonym of Lalage'
'Oxynotus typicus belongs to Oxynotus' according to Hartlaub 1865
'Oxynotus typicus is recombined as Lalage typica'
'Oxyura belongs to Anatidae'
'Pachycephalidae belongs to Passeriformes'
'Pachyptila belongs to Procellariidae'
'Pachyramphus belongs to Tityridae'
'Pachyrhynchus is a subjective synonym of Tityra'
'Pachyrhynchus aglaiae belongs to Pachyrhynchus' according to Lafresnaye 1839
'Pachyrhynchus aglaiae is recombined as Pachyramphus aglaiae'
'Pagodroma belongs to Procellariidae'
'Pagophila belongs to Laridae'
'Palaeornis is a subjective synonym of Psittacula'
'Palaeornis echo belongs to Palaeornis' according to Newton and Newton 1876
'Palaeornis echo is recombined as Psittacula eques echo'
'Palamedea is a subjective synonym of Cariama'
'Palamedea cristata is recombined as Cariama cristata'
'Pandion belongs to Pandionidae'
'Pandionidae belongs to Accipitriformes'
'Papasula belongs to Sulidae'
'Parabuteo belongs to Accipitridae'
'Paridae belongs to Passeriformes'
'Paroreomyza belongs to Fringillidae'
'Parulidae belongs to Passeriformes'
'Parulinae belongs to Parulidae'
'Parus belongs to Paridae'
'Parus ater is recombined as Periparus ater'
'Parus bicolor belongs to Parus' according to Linnaeus 1766
'Parus bicolor is recombined as Baeolophus bicolor'
'Parus macrocephalus belongs to Parus' according to Gmelin 1789
'Parus macrocephalus is recombined as Petroica macrocephala'
'Parus major belongs to Parus'
'Parus novaeseelandiae belongs to Parus' according to Gmelin 1789
'Parus novaeseelandiae is recombined as Mohoua novaeseelandiae'
'Passer belongs to Passeridae'
'Passer arctous belongs to Passer' according to Pallas 1811
'Passer arctous is recombined as Leucosticte arctoa'
'Passerculus belongs to Passerellidae'
'Passerella belongs to Passerellidae'
'Passerellidae belongs to Passeriformes'
'Passerherbulus is a subjective synonym of Ammodramus'
'Passeridae belongs to Passeriformes'
'Passerina belongs to Cardinalidae'
'Pastor belongs to Sturnidae'
'Patagioenas belongs to Columbidae'
'Pauxi belongs to Cracidae'
'Pauxi pauxi belongs to Pauxi'
'Pavo belongs to Phasianidae'
'Pavo muticus belongs to Pavo'
'Pedioecetes is a subjective synonym of Tympanuchus'
'Pedionomidae belongs to Charadriiformes'
'Pedionomus belongs to Pedionomidae'
'Pedionomus torquatus belongs to Pedionomus' according to Gould 1841
'Pedionomus torquatus belongs to Pedionomus'
'Pelagodroma belongs to Hydrobatidae'
'Pelecanidae belongs to Pelecaniformes'
'Pelecanoides belongs to Procellariidae'
'Pelecanoides georgicus belongs to Pelecanoides' according to Murphy and Harper 1916
'Pelecanoides georgicus belongs to Pelecanoides'
'Pelecanus belongs to Pelecanidae'
'Pelecanus africanus belongs to Pelecanus' according to Gmelin 1789
'Pelecanus africanus is recombined as Microcarbo africanus'
'Pelecanus aquilus is recombined as Fregata aquila'
'Pelecanus aristotelis is recombined as Phalacrocorax aristotelis'
'Pelecanus bassanus is recombined as Morus bassanus'
'Pelecanus capensis belongs to Pelecanus' according to Sparrman 1788
'Pelecanus capensis is recombined as Phalacrocorax capensis'
'Pelecanus carbo is recombined as Phalacrocorax carbo'
'Pelecanus carunculatus is recombined as Phalacrocorax carunculatus'
'Pelecanus conspicillatus belongs to Pelecanus' according to Temminck 1824
'Pelecanus conspicillatus belongs to Pelecanus'
'Pelecanus crispus belongs to Pelecanus'
'Pelecanus crispus belongs to Pelecanus' according to Bruch 1832
'Pelecanus erythrorhynchos belongs to Pelecanus'
'Pelecanus graculus is a subjective synonym of Phalacrocorax aristotelis'
'Pelecanus leucogaster is recombined as Sula leucogaster'
'Pelecanus minor is recombined as Fregata minor'
'Pelecanus occidentalis belongs to Pelecanus'
'Pelecanus olivaceus is a subjective synonym of Phalacrocorax brasilianus'
'Pelecanus olivaceus belongs to Pelecanus' according to Humboldt 1805
'Pelecanus punctatus is recombined as Phalacrocorax punctatus'
'Pelecanus rufescens belongs to Pelecanus' according to Gmelin 1789
'Pelecanus rufescens belongs to Pelecanus'
'Pelecanus serrator belongs to Pelecanus' according to Gray 1843
'Pelecanus serrator is recombined as Morus serrator'
'Pelecanus sula is recombined as Sula sula'
'Pelecanus varius is recombined as Phalacrocorax varius'
'Peliperdix belongs to Phasianidae'
'Penelope belongs to Cracidae'
'Penelope leucogastra is recombined as Ortalis leucogastra'
'Penelope leucogastra belongs to Penelope' according to Gould 1843
'Penelope purpurascens belongs to Penelope' according to Wagler 1830
'Penelope purpurascens belongs to Penelope'
'Penelope vetula belongs to Penelope' according to Wagler 1830
'Penelope vetula is recombined as Ortalis vetula'
'Perdix belongs to Phasianidae'
'Perdix altaica belongs to Perdix' according to Gebler 1836
'Perdix altaica is recombined as Tetraogallus altaicus'
'Perdix chukar belongs to Perdix' according to Gray 1830
'Perdix chukar is recombined as Alectoris chukar'
'Perdix graeca is recombined as Alectoris graeca'
'Perdix varia is recombined as Turnix varius'
'Periparus belongs to Paridae'
'Perisoreus belongs to Corvidae'
'Peristera is replaced by Claravis'
'Peristera auriculata belongs to Peristera' according to Des Murs 1847
'Peristera auriculata is recombined as Zenaida auriculata'
'Peristera pretiosa belongs to Peristera' according to Ferrari-Pérez 1886
'Peristera pretiosa is recombined as Claravis pretiosa'
'Pernis belongs to Accipitridae'
'Pernis jerdoni belongs to Pernis' according to Blyth 1842
'Pernis jerdoni is recombined as Aviceda jerdoni'
'Petrochelidon belongs to Hirundinidae'
'Petroica belongs to Petroicidae'
'Petroicidae belongs to Passeriformes'
'Petronia belongs to Passeridae'
'Pezophaps belongs to Columbidae'
'Pezoporus belongs to Psittaculidae'
'Phaenicophilidae belongs to Passeriformes'
'Phaenicophilus belongs to Phaenicophilidae'
'Phaenicophilus frugivorus belongs to Phaenicophilus' according to Cory 1883
'Phaenicophilus frugivorus is recombined as Calyptophilus frugivorus'
'Phaeornis palmeri is recombined as Myadestes palmeri'
'Phaethon belongs to Phaethontidae'
'Phaethon aethereus belongs to Phaethon'
'Phaethon lepturus belongs to Phaethon'
'Phaethon rubricauda belongs to Phaethon' according to Boddaert 1783
'Phaethon rubricauda belongs to Phaethon'
'Phaethontidae belongs to Phaethontiformes'
'Phalacrocoracidae belongs to Suliformes'
'Phalacrocorax belongs to Phalacrocoracidae'
'Phalacrocorax featherstoni belongs to Phalacrocorax' according to Buller 1873
'Phalacrocorax featherstoni belongs to Phalacrocorax'
'Phalacrocorax pelagicus belongs to Phalacrocorax'
'Phalacrocorax perspicillatus belongs to Phalacrocorax'
'Phalaenoptilus belongs to Caprimulgidae'
'Phalaropodidae is a subjective synonym of Scolopacidae'
'Phalaropus belongs to Scolopacidae'
'Phalcoboenus belongs to Falconidae'
'Phaps belongs to Columbidae'
'Phasianidae belongs to Galliformes'
'Phasianus belongs to Phasianidae'
'Phasianus colchicus belongs to Phasianus'
'Phasianus gallus is recombined as Gallus gallus'
'Phasianus meleagris is recombined as Numida meleagris'
'Phedina belongs to Hirundinidae'
'Pheucticus belongs to Cardinalidae'
'Phigys belongs to Psittaculidae'
'Philemon belongs to Meliphagidae'
'Philesturnus belongs to Callaeidae'
'Philomachus is a subjective synonym of Calidris'
'Phlegoenas is a subjective synonym of Gallicolumba'
'Phlegoenas canifrons belongs to Phlegoenas' according to Hartlaub and Finsch 1872
'Phlegoenas canifrons is recombined as Alopecoenas canifrons'
'Phlegoenas jobiensis belongs to Phlegoenas' according to Meyer 1875
'Phlegoenas jobiensis is recombined as Alopecoenas jobiensis'
'Phoebastria belongs to Diomedeidae'
'Phoebetria belongs to Diomedeidae'
'Phoeniconaias belongs to Phoenicopteridae'
'Phoenicoparrus belongs to Phoenicopteridae'
'Phoenicopteridae belongs to Phoenicopteriformes'
'Phoenicopteriformes belongs to Neornithes'
'Phoenicopterus belongs to Phoenicopteridae'
'Phoenicopterus antiquorum belongs to Phoenicopterus' according to Temminck 1815
'Phoenicopterus antiquorum is a subjective synonym of Phoenicopterus roseus'
'Phoenicopterus minor belongs to Phoenicopterus' according to Geoffroy Saint-Hilaire 1798
'Phoenicopterus minor is recombined as Phoeniconaias minor'
'Phoenicopterus roseus belongs to Phoenicopterus' according to Pallas 1811
'Phoenicopterus roseus belongs to Phoenicopterus'
'Phoenicopterus ruber belongs to Phoenicopterus'
'Phoenicurus belongs to Muscicapidae'
'Phylloscopidae belongs to Passeriformes'
'Phylloscopus belongs to Phylloscopidae'
'Pica belongs to Corvidae'
'Picidae belongs to Piciformes'
'Picoides belongs to Picidae'
'Picumnus belongs to Picidae'
'Picumnus micromegas belongs to Picumnus' according to Sundevall 1866
'Picumnus micromegas is recombined as Nesoctites micromegas'
'Picus belongs to Picidae'
'Picus borealis belongs to Picus' according to Vieillot 1809
'Picus borealis is recombined as Picoides borealis'
'Picus cafer belongs to Picus' according to Gmelin 1788
'Picus cafer is recombined as Colaptes auratus cafer'
'Picus campestris belongs to Picus' according to Vieillot 1818
'Picus campestris is recombined as Colaptes campestris'
'Picus canus belongs to Picus' according to Gmelin 1788
'Picus canus belongs to Picus'
'Picus carolinus is recombined as Melanerpes carolinus'
'Picus erythrocephalus is recombined as Melanerpes erythrocephalus'
'Picus formicivorus belongs to Picus' according to Swainson 1827
'Picus formicivorus is recombined as Melanerpes formicivorus'
'Picus leucotos belongs to Picus' according to Bechstein 1802
'Picus leucotos is recombined as Dendrocopos leucotos'
'Picus lewis belongs to Picus' according to Gray 1849
'Picus lewis is recombined as Melanerpes lewis'
'Picus noguchii belongs to Picus' according to Seebohm 1887
'Picus noguchii is recombined as Sapheopipo noguchii'
'Picus percussus belongs to Picus' according to Temminck 1826
'Picus percussus is recombined as Xiphidiopicus percussus'
'Picus pileatus is recombined as Dryocopus pileatus'
'Picus principalis is recombined as Campephilus principalis'
'Picus pubescens is recombined as Picoides pubescens'
'Picus ruber belongs to Picus' according to Gmelin 1788
'Picus ruber is recombined as Sphyrapicus ruber'
'Picus striatus belongs to Picus' according to Statius Muller 1776
'Picus striatus is recombined as Melanerpes striatus'
'Picus superciliaris belongs to Picus' according to Temminck 1827
'Picus superciliaris is recombined as Melanerpes superciliaris'
'Picus varius belongs to Picus' according to Linnaeus 1766
'Picus varius is recombined as Sphyrapicus varius'
'Picus villosus is recombined as Picoides villosus'
'Picus viridis belongs to Picus'
'Pinicola belongs to Fringillidae'
'Pipilo belongs to Passerellidae'
'Pipilo fusca belongs to Pipilo' according to Swainson 1827
'Pipilo fusca is recombined as Melozone fusca'
'Pipilo maculatus belongs to Pipilo' according to Swainson 1827
'Pipra belongs to Pipridae'
'Pipra leucocephala belongs to Pipra' according to Linnaeus 1764
'Pipra leucocephala is recombined as Arundinicola leucocephala'
'Pipridae belongs to Passeriformes'
'Piranga belongs to Cardinalidae'
'Pitangus belongs to Tyrannidae'
'Pitangus gabbii belongs to Pitangus' according to Lawrence 1876
'Pitangus gabbii is recombined as Tyrannus caudifasciatus gabbii'
'Platalea belongs to Threskiornithidae'
'Platalea [misspelled as Platea] belongs to Aves' according to Brisson 1760
'Platalea ajaja belongs to Platalea'
'Platalea alba belongs to Platalea' according to Scopoli 1786
'Platalea alba belongs to Platalea'
'Platalea flavipes belongs to Platalea' according to Gould 1838
'Platalea flavipes belongs to Platalea'
'Platalea leucorodia belongs to Platalea'
'Platalea tenuirostris belongs to Platalea' according to Temminck 1820
'Platalea tenuirostris is a subjective synonym of Platalea alba'
'Platea rosea belongs to Platea' according to Brisson 1760
'Platea rosea is a subjective synonym of Platalea ajaja'
'Platibis is a subjective synonym of Platalea'
'Platycercus belongs to Psittaculidae'
'Platyspiza belongs to Thraupidae'
'Plautus alle is recombined as Alle alle'
'Plectrophanes is a subjective synonym of Calcarius'
'Plectrophanes ornata belongs to Plectrophanes' according to Townsend 1837
'Plectrophanes ornata is recombined as Calcarius ornatus'
'Plectrophenax belongs to Calcariidae'
'Plectropterus belongs to Anatidae'
'Plegadis belongs to Threskiornithidae'
'Ploceidae belongs to Passeriformes'
'Ploceus belongs to Ploceidae'
'Ploceus sakalava belongs to Ploceus'
'Ploceus sakalava belongs to Ploceus' according to Hartlaub 1860
'Plotus anhinga is recombined as Anhinga anhinga'
'Pluvialis belongs to Charadriidae'
'Pluvianidae belongs to Charadriiformes'
'Pluvianus belongs to Pluvianidae'
'Plyctolophus is a subjective synonym of Cacatua'
'Plyctolophus productus belongs to Plyctolophus' according to Gould 1836
'Plyctolophus productus is recombined as Nestor productus'
'Podargidae belongs to Caprimulgiformes'
'Podargus belongs to Podargidae'
'Podica belongs to Heliornithidae'
'Podica personata is recombined as Heliopais personatus'
'Podiceps belongs to Podicipedidae'
'Podiceps (Poliocephalus) rufopectus belongs to Podiceps (Poliocephalus)' according to Gray 1843
'Podiceps (Poliocephalus) rufopectus is recombined as Poliocephalus rufopectus'
'Podiceps clarkii is recombined as Aechmophorus clarkii'
'Podiceps holbollii is recombined as Podiceps grisegena holbollii'
'Podiceps holbollii belongs to Podiceps' according to Reinhardt 1854
'Podiceps nigricollis belongs to Podiceps'
'Podiceps occidentalis is recombined as Aechmophorus occidentalis'
'Podiceps rolland belongs to Podiceps' according to Quoy and Gaimard 1824
'Podiceps rolland is recombined as Rollandia rolland'
'Podicipedidae belongs to Podicipediformes'
'Podilymbus belongs to Podicipedidae'
'Poephila belongs to Estrildidae'
'Poliocephalus belongs to Podicipedidae'
'Poliocephalus was reranked as Podiceps (Poliocephalus) and belongs to Podiceps' according to Gray 1843
'Poliolimnas is a subjective synonym of Amaurornis'
'Polioptila belongs to Polioptilidae'
'Polioptilidae belongs to Passeriformes'
'Polyboroides belongs to Accipitridae'
'Polyborus chimachima is recombined as Milvago chimachima'
'Pooecetes belongs to Passerellidae'
'Porphyrio belongs to Rallidae'
'Porphyrio alleni belongs to Porphyrio' according to Thomson 1842
'Porphyrio alleni belongs to Porphyrio'
'Porphyrio cinereus belongs to Porphyrio' according to Vieillot 1819
'Porphyrio cinereus is recombined as Amaurornis cinerea'
'Porphyrio melanotus belongs to Porphyrio' according to Temminck 1820
'Porphyrio melanotus belongs to Porphyrio'
'Porphyrio samoensis belongs to Porphyrio' according to Peale 1848
'Porphyrio samoensis is recombined as Porphyrio melanotus samoensis'
'Porphyrula is a subjective synonym of Porphyrio'
'Porzana belongs to Rallidae'
'Porzana atra belongs to Porzana' according to North 1908
'Porzana atra is recombined as Zapornia atra'
'Porzana fluminea belongs to Porzana' according to Gould 1843
'Porzana fluminea belongs to Porzana'
'Prion is replaced by Pachyptila'
'Prion vittatus macgillivrayi belongs to Prion vittatus' according to Mathews 1912
'Prion vittatus macgillivrayi is recombined as Pachyptila salvini macgillivrayi'
'Prion vittatus salvini belongs to Prion vittatus' according to Mathews 1912
'Prion vittatus salvini is recombined as Pachyptila salvini'
'Prionites is a subjective synonym of Momotus'
'Prionochilus belongs to Dicaeidae'
'Prionochilus aeruginosus belongs to Prionochilus' according to Bourns and Worcester 1894
'Prionochilus aeruginosus is recombined as Dicaeum agile aeruginosum'
'Priotelus belongs to Trogonidae'
'Procellaria belongs to Procellariidae'
'Procellaria aequinoctialis belongs to Procellaria'
'Procellaria alba belongs to Procellaria' according to Gmelin 1789
'Procellaria alba is recombined as Pterodroma alba'
'Procellaria antarctica belongs to Procellaria' according to Gmelin 1789
'Procellaria antarctica is recombined as Thalassoica antarctica'
'Procellaria aterrima belongs to Procellaria' according to Bonaparte 1857
'Procellaria aterrima is recombined as Pseudobulweria aterrima'
'Procellaria brasiliana is recombined as Phalacrocorax brasilianus'
'Procellaria brevipes belongs to Procellaria' according to Peale 1848
'Procellaria brevipes is recombined as Pterodroma brevipes'
'Procellaria bulwerii is recombined as Bulweria bulwerii'
'Procellaria caerulea belongs to Procellaria' according to Gmelin 1789
'Procellaria caerulea is recombined as Halobaena caerulea'
'Procellaria capensis is recombined as Daption capense'
'Procellaria cinerea belongs to Procellaria' according to Gmelin 1789
'Procellaria cinerea belongs to Procellaria'
'Procellaria cookii belongs to Procellaria' according to Gray 1843
'Procellaria cookii is recombined as Pterodroma cookii'
'Procellaria desolata belongs to Procellaria' according to Gmelin 1789
'Procellaria desolata is recombined as Pachyptila desolata'
'Procellaria diomedea is recombined as Calonectris diomedea'
'Procellaria fuliginosa is recombined as Nesofregetta fuliginosa'
'Procellaria furcata belongs to Procellaria' according to Gmelin 1789
'Procellaria furcata is recombined as Hydrobates furcatus'
'Procellaria gavia is recombined as Puffinus gavia'
'Procellaria gigantea belongs to Procellaria' according to Gmelin 1789
'Procellaria gigantea is recombined as Macronectes giganteus'
'Procellaria glacialis is recombined as Fulmarus glacialis'
'Procellaria glacialoides belongs to Procellaria' according to Smith 1840
'Procellaria glacialoides is recombined as Fulmarus glacialoides'
'Procellaria grallaria belongs to Procellaria' according to Vieillot 1818
'Procellaria grallaria is recombined as Fregetta grallaria'
'Procellaria gravis is recombined as Ardenna gravis'
'Procellaria grisea is recombined as Ardenna grisea'
'Procellaria hasitata belongs to Procellaria' according to Kuhl 1820
'Procellaria hasitata is recombined as Pterodroma hasitata'
'Procellaria inexpectata is recombined as Pterodroma inexpectata'
'Procellaria lessonii is recombined as Pterodroma lessonii'
'Procellaria leucomelas belongs to Procellaria' according to Temminck 1836
'Procellaria leucomelas is recombined as Calonectris leucomelas'
'Procellaria leucoptera belongs to Procellaria' according to Gould 1844
'Procellaria leucoptera is recombined as Pterodroma leucoptera'
'Procellaria leucorhoa belongs to Procellaria' according to Vieillot 1818
'Procellaria leucorhoa is recombined as Oceanodroma leucorhoa'
'Procellaria macroptera belongs to Procellaria' according to Smith 1840
'Procellaria macroptera is recombined as Pterodroma macroptera'
'Procellaria marina is recombined as Pelagodroma marina'
'Procellaria melania belongs to Procellaria' according to Bonaparte 1854
'Procellaria melania is recombined as Oceanodroma melania'
'Procellaria mollis belongs to Procellaria' according to Gould 1844
'Procellaria mollis is recombined as Pterodroma mollis'
'Procellaria neglecta belongs to Procellaria' according to Schlegel 1863
'Procellaria neglecta is recombined as Pterodroma neglecta'
'Procellaria nivea belongs to Procellaria' according to Forster 1777
'Procellaria nivea is recombined as Pagodroma nivea'
'Procellaria oceanica belongs to Procellaria' according to Kuhl 1820
'Procellaria oceanica is recombined as Oceanites oceanicus'
'Procellaria pacifica is recombined as Ardenna pacifica'
'Procellaria parkinsoni belongs to Procellaria'
'Procellaria puffinus is recombined as Puffinus puffinus'
'Procellaria rostrata belongs to Procellaria' according to Peale 1848
'Procellaria rostrata is recombined as Pseudobulweria rostrata'
'Procellaria tenuirostris is recombined as Ardenna tenuirostris'
'Procellaria turtur is recombined as Pachyptila turtur'
'Procellaria turtur is recombined as Pseudoprion turtur' according to Mathews 1912
'Procellaria urinatrix is recombined as Pelecanoides urinatrix'
'Procellaria vittata belongs to Procellaria' according to Forster 1777
'Procellaria vittata is recombined as Pachyptila vittata'
'Procellaria vittata is recombined as Prion vittatus' according to Mathews 1912
'Procellaria yelkouan belongs to Procellaria' according to Acerbi 1827
'Procellaria yelkouan is recombined as Puffinus yelkouan'
'Procellariidae belongs to Procellariiformes'
'Procelsterna is a subjective synonym of Anous'
'Prosobonia belongs to Scolopacidae'
'Prosopeia belongs to Psittaculidae'
'Prosthemadera belongs to Meliphagidae'
'Prunella belongs to Prunellidae'
'Prunellidae belongs to Passeriformes'
'Psarocolius aeneus belongs to Psarocolius' according to Wagler 1829
'Psarocolius aeneus is recombined as Molothrus aeneus'
'Psarocolius cyanocephalus belongs to Psarocolius' according to Wagler 1829
'Psarocolius cyanocephalus is recombined as Euphagus cyanocephalus'
'Pseudobulweria belongs to Procellariidae'
'Pseudonestor belongs to Fringillidae'
'Pseudonestor xanthophrys belongs to Pseudonestor'
'Pseudoprion is a subjective synonym of Pachyptila'
'Pseudoprion turtur crassirostris belongs to Pseudoprion turtur' according to Mathews 1912
'Pseudoprion turtur crassirostris is recombined as Pachyptila crassirostris'
'Psittacara belongs to Psittacidae'
'Psittacara maugei belongs to Psittacara' according to Souancé 1856
'Psittacara maugei belongs to Psittacara'
'Psittacidae belongs to Psittaciformes'
'Psittacula belongs to Psittaculidae'
'Psittacula kuhlii belongs to Psittacula' according to Vigors 1824
'Psittacula kuhlii is recombined as Vini kuhlii'
'Psittaculidae belongs to Psittaciformes'
'Psittacus albifrons belongs to Psittacus' according to Sparrman 1788
'Psittacus albifrons is recombined as Amazona albifrons'
'Psittacus auriceps belongs to Psittacus' according to Kuhl 1820
'Psittacus auriceps is recombined as Cyanoramphus auriceps'
'Psittacus australis belongs to Psittacus' according to Gmelin 1788
'Psittacus australis is recombined as Vini australis'
'Psittacus banksii belongs to Psittacus' according to Latham 1790
'Psittacus banksii is recombined as Calyptorhynchus banksii'
'Psittacus canicularis is recombined as Eupsittula canicularis'
'Psittacus carolinensis is recombined as Conuropsis carolinensis'
'Psittacus concinna is recombined as Glossopsitta concinna'
'Psittacus cornutus belongs to Psittacus' according to Gmelin 1788
'Psittacus cornutus is recombined as Eunymphicus cornutus'
'Psittacus discolor belongs to Psittacus' according to Shaw 1790
'Psittacus discolor is recombined as Lathamus discolor'
'Psittacus elegans is recombined as Platycercus elegans'
'Psittacus eques belongs to Psittacus' according to Boddaert 1783
'Psittacus eques is recombined as Psittacula eques'
'Psittacus erythrotis belongs to Psittacus' according to Wagler 1832
'Psittacus erythrotis is recombined as Cyanoramphus novaezelandiae erythrotis'
'Psittacus fimbriatus belongs to Psittacus' according to Grant 1803
'Psittacus fimbriatus is recombined as Callocephalon fimbriatum'
'Psittacus geoffroyi belongs to Psittacus' according to Bechstein 1811
'Psittacus geoffroyi is recombined as Geoffroyus geoffroyi'
'Psittacus icterotis belongs to Psittacus' according to Temminck and Kuhl 1820
'Psittacus icterotis is recombined as Platycercus icterotis'
'Psittacus lathami belongs to Psittacus' according to Temminck 1807
'Psittacus lathami is recombined as Calyptorhynchus lathami'
'Psittacus leucocephalus is recombined as Amazona leucocephala'
'Psittacus magnificus belongs to Psittacus' according to Shaw 1790
'Psittacus magnificus is replaced by Calyptorhynchus banksii'
'Psittacus mascarin belongs to Psittacus' according to Linnaeus 1771
'Psittacus mascarin is recombined as Mascarinus mascarin'
'Psittacus meridionalis is recombined as Nestor meridionalis'
'Psittacus militaris belongs to Psittacus' according to Linnaeus 1766
'Psittacus militaris is recombined as Ara militaris'
'Psittacus novaezelandiae belongs to Psittacus' according to Sparrman 1787
'Psittacus novaezelandiae is recombined as Cyanoramphus novaezelandiae'
'Psittacus patagonicus belongs to Psittacus' according to Vieillot 1818
'Psittacus patagonicus is recombined as Cyanoliseus patagonus'
'Psittacus scapularis belongs to Psittacus' according to Lichtenstein 1816
'Psittacus scapularis is recombined as Alisterus scapularis'
'Psittacus solitarius belongs to Psittacus' according to Suckow 1800
'Psittacus solitarius is recombined as Phigys solitarius'
'Psittacus tabuensis belongs to Psittacus' according to Gmelin 1788
'Psittacus tabuensis is recombined as Prosopeia tabuensis'
'Psittacus tenuirostris is recombined as Cacatua tenuirostris'
'Psittacus ultramarinus belongs to Psittacus' according to Kuhl 1820
'Psittacus ultramarinus is recombined as Vini ultramarina'
'Psittacus vasa belongs to Psittacus' according to Shaw 1812
'Psittacus vasa is recombined as Mascarinus vasa'
'Psittacus ventralis belongs to Psittacus' according to Statius Muller 1776
'Psittacus ventralis is recombined as Amazona ventralis'
'Psittacus wallicus belongs to Psittacus' according to Kerr 1792
'Psittacus wallicus is recombined as Pezoporus wallicus'
'Psitteuteles belongs to Psittaculidae'
'Psitteuteles diadema belongs to Psitteuteles' according to Verreaux and des Murs 1860
'Psitteuteles diadema is recombined as Charmosyna diadema'
'Psittirostra belongs to Fringillidae'
'Psittirostra (Psittirostra) is an invalid subgroup of Psittirostra'
'Psophia belongs to Psophiidae'
'Psophia undulata is recombined as Chlamydotis undulata'
'Psophia undulata belongs to Psophia' according to von Jacquin 1784
'Psophiidae belongs to Gruiformes'
'Psophodes belongs to Psophodidae'
'Psophodidae belongs to Passeriformes'
'Pternistis belongs to Phasianidae'
'Pterocles belongs to Pteroclidae'
'Pterocles personatus belongs to Pterocles'
'Pterocles personatus belongs to Pterocles' according to Gould 1843
'Pteroclidae belongs to Pterocliformes'
'Pterocliformes belongs to Neornithes'
'Pterocnemia is a subjective synonym of Rhea'
'Pterodroma belongs to Procellariidae'
'Pterodroma pycrofti belongs to Pterodroma' according to Falla 1933
'Pterodroma pycrofti belongs to Pterodroma'
'Pteroglossus belongs to Ramphastidae'
'Pteroglossus prasinus belongs to Pteroglossus' according to Gould 1833
'Pteroglossus prasinus is recombined as Aulacorhynchus prasinus'
'Pteroptochos belongs to Rhinocryptidae'
'Pteroptochos albicollis is recombined as Scelorchilus albicollis'
'Pteroptochos castaneus belongs to Pteroptochos'
'Pteroptochos megapodius belongs to Pteroptochos'
'Pteroptochos rubecula is recombined as Scelorchilus rubecula'
'Ptilinopus belongs to Columbidae'
'Ptilinopus greyii belongs to Ptilinopus' according to Bonaparte 1857
'Ptilinopus greyii is corrected as Ptilinopus greyi and belongs to Ptilinopus'
'Ptilinopus huttoni belongs to Ptilinopus' according to Finsch 1874
'Ptilinopus huttoni belongs to Ptilinopus'
'Ptilinopus insularis belongs to Ptilinopus'
'Ptilinopus insularis belongs to Ptilinopus' according to North 1908
'Ptilinopus perousii belongs to Ptilinopus' according to Peale 1848
'Ptilinopus perousii belongs to Ptilinopus'
'Ptilinopus rarotongensis belongs to Ptilinopus' according to Hartlaub and Finsch 1871
'Ptilinopus rarotongensis belongs to Ptilinopus'
'Ptilonorhynchidae belongs to Passeriformes'
'Ptilonorhynchus belongs to Ptilonorhynchidae'
'Ptilopachus belongs to Odontophoridae'
'Ptilotis is a subjective synonym of Meliphaga'
'Ptilotis marchei belongs to Ptilotis' according to Oustalet 1889
'Ptilotis marchei is recombined as Cleptornis marchei'
'Ptychoramphus belongs to Alcidae'
'Ptyonoprogne belongs to Hirundinidae'
'Puffinus belongs to Procellariidae'
'Puffinus assimilis belongs to Puffinus' according to Gould 1838
'Puffinus assimilis belongs to Puffinus'
'Puffinus bailloni belongs to Puffinus' according to Bonaparte 1857
'Puffinus bailloni belongs to Puffinus'
'Puffinus borealis is recombined as Calonectris diomedea borealis'
'Puffinus bulleri belongs to Puffinus' according to Salvin 1888
'Puffinus bulleri is recombined as Ardenna bulleri'
'Puffinus carneipes belongs to Puffinus' according to Gould 1844
'Puffinus carneipes is recombined as Ardenna carneipes'
'Puffinus elegans belongs to Puffinus' according to Giglioli and Salvadori 1869
'Puffinus elegans is recombined as Puffinus assimilis elegans'
'Puffinus lherminieri belongs to Puffinus'
'Puffinus nativitatis belongs to Puffinus' according to Streets 1877
'Puffinus nativitatis belongs to Puffinus'
'Puffinus opisthomelas belongs to Puffinus'
'Pycnonotidae belongs to Passeriformes'
'Pycnoptilus belongs to Acanthizidae'
'Pycnoptilus floccosus belongs to Pycnoptilus' according to Gould 1851
'Pycnoptilus floccosus belongs to Pycnoptilus'
'Pygoscelis belongs to Spheniscidae'
'Pyrocephalus belongs to Tyrannidae'
'Pyrocephalus nanus belongs to Pyrocephalus' according to Gould 1838
'Pyrocephalus nanus is recombined as Pyrocephalus rubinus nanus'
'Pyrrhocorax belongs to Corvidae'
'Pyrrhocorax violaceus is recombined as Ptilonorhynchus violaceus'
'Pyrrhula belongs to Fringillidae'
'Querquedula bernieri belongs to Querquedula' according to Hartlaub 1860
'Querquedula bernieri is recombined as Anas bernieri'
'Quiscalus belongs to Icteridae'
'Quiscalus lugubris belongs to Quiscalus'
'Quiscalus lugubris belongs to Quiscalus' according to Swainson 1838
'Quiscalus major belongs to Quiscalus'
'Rallidae belongs to Gruiformes'
'Rallina belongs to Rallidae'
'Rallina poeciloptera belongs to Rallina' according to Hartlaub 1866
'Rallina poeciloptera is recombined as Nesoclopeus poecilopterus'
'Rallina tricolor belongs to Rallina' according to Gray 1858
'Rallina tricolor belongs to Rallina'
'Rallus belongs to Rallidae'
'Rallus aquaticus belongs to Rallus'
'Rallus australis is recombined as Gallirallus australis'
'Rallus carolinus is recombined as Porzana carolina'
'Rallus crex is recombined as Crex crex'
'Rallus cuvieri belongs to Rallus' according to Pucheran 1845
'Rallus cuvieri is recombined as Dryolimnas cuvieri'
'Rallus dieffenbachii belongs to Rallus' according to Gray 1843
'Rallus dieffenbachii is recombined as Gallirallus dieffenbachii'
'Rallus elegans belongs to Rallus'
'Rallus exilis belongs to Rallus' according to Temminck 1831
'Rallus exilis is recombined as Laterallus exilis'
'Rallus flaviventer belongs to Rallus' according to Boddaert 1783
'Rallus flaviventer is recombined as Hapalocrex flaviventer'
'Rallus fuscus is recombined as Zapornia fusca'
'Rallus fuscus belongs to Rallus' according to Linnaeus 1766
'Rallus limicola belongs to Rallus'
'Rallus longirostris belongs to Rallus'
'Rallus macquariensis belongs to Rallus' according to Hutton 1879
'Rallus macquariensis is recombined as Gallirallus philippensis macquariensis'
'Rallus modestus belongs to Rallus' according to Hutton 1872
'Rallus modestus is recombined as Gallirallus modestus'
'Rallus okinawae is recombined as Gallirallus okinawae'
'Rallus okinawae belongs to Rallus' according to Yamashina and Mano 1981
'Rallus pectoralis belongs to Rallus' according to Temminck 1831
'Rallus pectoralis is recombined as Lewinia pectoralis'
'Rallus philippensis is recombined as Gallirallus philippensis'
'Rallus porzana is recombined as Porzana porzana'
'Rallus pusillus is recombined as Zapornia pusilla'
'Rallus sandwichensis is recombined as Zapornia sandwichensis'
'Rallus tabuensis belongs to Rallus' according to Gmelin 1789
'Rallus tabuensis is recombined as Zapornia tabuensis'
'Ramphastidae belongs to Piciformes'
'Ramphastos belongs to Ramphastidae'
'Ramphastos momota belongs to Ramphastos' according to Linnaeus 1766
'Ramphastos momota is recombined as Momotus momota'
'Raphidae is a subjective synonym of Columbidae'
'Raphus belongs to Columbidae'
'Recurvirostra belongs to Recurvirostridae'
'Recurvirostra americana belongs to Recurvirostra' according to Gmelin 1789
'Recurvirostra americana belongs to Recurvirostra'
'Recurvirostra avosetta belongs to Recurvirostra'
'Recurvirostridae belongs to Charadriiformes'
'Rhea belongs to Rheidae'
'Rhea pennata belongs to Rhea' according to d'Orbigny 1834
'Rheidae belongs to Rheiformes'
'Rheiformes belongs to Palaeognathae'
'Rhinocryptidae belongs to Passeriformes'
'Rhipidura belongs to Rhipiduridae'
'Rhipiduridae belongs to Passeriformes'
'Rhodacanthis belongs to Fringillidae'
'Rhodacanthis flaviceps belongs to Rhodacanthis'
'Rhynchotus belongs to Tinamidae'
'Rhynochetidae belongs to Eurypygiformes'
'Rhynochetos belongs to Rhynochetidae'
'Rhyticeros belongs to Bucerotidae'
'Richmondena is an objective synonym of Cardinalis'
'Riparia belongs to Hirundinidae'
'Rissa was reranked as Larus (Rissa) and belongs to Larus' according to Bruch 1853
'Rissa belongs to Laridae'
'Rissa tridactyla belongs to Rissa'
'Rollandia belongs to Podicipedidae'
'Rupornis belongs to Accipitridae'
'Salpinctes belongs to Troglodytidae'
'Sapheopipo belongs to Picidae'
'Sarcoramphus belongs to Cathartidae'
'Sarkidiornis belongs to Anatidae'
'Saurothera is a subjective synonym of Coccyzus'
'Saurothera californiana belongs to Saurothera' according to Lesson 1829
'Saurothera californiana is recombined as Geococcyx californianus'
'Saurothera merlini belongs to Saurothera' according to d'Orbigny 1839
'Saurothera merlini is recombined as Coccyzus merlini'
'Saxicola belongs to Muscicapidae'
'Sayornis belongs to Tyrannidae'
'Scardafella is a subjective synonym of Columbina'
'Sceloglaux belongs to Strigidae'
'Scelorchilus belongs to Rhinocryptidae'
'Schoeniclus is a subjective synonym of Emberiza'
'Scleroptila belongs to Phasianidae'
'Scolopacidae belongs to Charadriiformes'
'Scolopax belongs to Scolopacidae'
'Scolopax alba is recombined as Eudocimus albus'
'Scolopax arquata is recombined as Numenius arquata'
'Scolopax borealis is recombined as Numenius borealis'
'Scolopax cinerea belongs to Scolopax' according to Güldenstädt 1775
'Scolopax cinerea is recombined as Xenus cinereus'
'Scolopax delicata belongs to Scolopax' according to Ord 1825
'Scolopax delicata is recombined as Gallinago delicata'
'Scolopax erythropus is recombined as Tringa erythropus'
'Scolopax erythropus belongs to Scolopax' according to Pallas 1764
'Scolopax falcinellus belongs to Scolopax' according to Pontoppidan 1763
'Scolopax falcinellus is recombined as Calidris falcinellus'
'Scolopax fedoa is recombined as Limosa fedoa'
'Scolopax flavipes belongs to Scolopax' according to Gmelin 1789
'Scolopax flavipes is recombined as Tringa flavipes'
'Scolopax gallinago is recombined as Gallinago gallinago'
'Scolopax grisea belongs to Scolopax' according to Gmelin 1789
'Scolopax grisea is recombined as Limnodromus griseus'
'Scolopax guarauna belongs to Scolopax' according to Linnaeus 1762
'Scolopax guarauna is recombined as Aramus guarauna'
'Scolopax hardwickii belongs to Scolopax' according to Gray 1831
'Scolopax hardwickii is recombined as Gallinago hardwickii'
'Scolopax incana is recombined as Tringa incana'
'Scolopax lapponica is recombined as Limosa lapponica'
'Scolopax limosa is recombined as Limosa limosa'
'Scolopax madagascariensis belongs to Scolopax' according to Linnaeus 1766
'Scolopax madagascariensis is recombined as Numenius madagascariensis'
'Scolopax magellanicus belongs to Scolopax' according to King 1828
'Scolopax magellanicus is recombined as Gallinago paraguaiae magellanica'
'Scolopax media is recombined as Gallinago media'
'Scolopax melanoleuca belongs to Scolopax' according to Gmelin 1789
'Scolopax melanoleuca is recombined as Tringa melanoleuca'
'Scolopax minima belongs to Scolopax' according to Brünnich 1764
'Scolopax minima is recombined as Lymnocryptes minimus'
'Scolopax minor belongs to Scolopax'
'Scolopax mira belongs to Scolopax' according to Hartert 1916
'Scolopax mira belongs to Scolopax'
'Scolopax nebularia belongs to Scolopax' according to Gunnerus 1767
'Scolopax nebularia is recombined as Tringa nebularia'
'Scolopax paraguaiae belongs to Scolopax' according to Vieillot 1816
'Scolopax paraguaiae is recombined as Gallinago paraguaiae'
'Scolopax phaeopus is recombined as Numenius phaeopus'
'Scolopax rusticola belongs to Scolopax'
'Scolopax semipalmatus is recombined as Symphemia semipalmata' according to Brewster 1887
'Scolopax semipalmatus is recombined as Tringa semipalmata'
'Scolopax stenura belongs to Scolopax' according to Bonaparte 1831
'Scolopax stenura is recombined as Gallinago stenura'
'Scolopax tahitiensis is recombined as Numenius tahitiensis'
'Scolopax totanus is recombined as Tringa totanus'
'Scopidae belongs to Ciconiiformes'
'Scops is a subjective synonym of Otus'
'Scops kennicottii belongs to Scops' according to Elliot 1867
'Scops kennicottii is recombined as Megascops kennicottii'
'Scops manadensis belongs to Scops' according to Quoy and Gaimard 1830
'Scops manadensis is recombined as Otus manadensis'
'Scops rutilus belongs to Scops' according to Pucheran 1849
'Scops rutilus is recombined as Otus rutilus'
'Scopus belongs to Scopidae'
'Scopus umbretta belongs to Scopus' according to Gmelin 1789
'Scopus umbretta belongs to Scopus'
'Scotocercidae belongs to Passeriformes'
'Seiurus belongs to Parulidae'
'Serinus belongs to Fringillidae'
'Serresius is a subjective synonym of Ducula'
'Serresius galeatus is recombined as Ducula galeata'
'Serresius galeatus belongs to Serresius' according to Bonaparte 1855
'Setophaga belongs to Parulidae'
'Sialia belongs to Turdidae'
'Sibirionetta belongs to Anatidae'
'Sicalis belongs to Thraupidae'
'Siphonorhis belongs to Caprimulgidae'
'Sitta belongs to Sittidae'
'Sitta caffra belongs to Sitta' according to Sparrman 1786
'Sitta caffra is recombined as Acrocephalus caffer'
'Sitta canadensis belongs to Sitta'
'Sitta carolinensis belongs to Sitta' according to Latham 1790
'Sitta carolinensis belongs to Sitta'
'Sittidae belongs to Passeriformes'
'Somateria belongs to Anatidae'
'Sparvius platypterus is recombined as Buteo platypterus'
'Spatula belongs to Anatidae'
'Spheniscidae belongs to Sphenisciformes'
'Spheniscus belongs to Spheniscidae'
'Spheniscus novaehollandiae belongs to Spheniscus' according to Shaw 1826
'Spheniscus novaehollandiae is recombined as Eudyptula minor novaehollandiae'
'Sphenoeacus belongs to Macrosphenidae'
'Sphenoeacus rufescens belongs to Sphenoeacus' according to Buller 1869
'Sphenoeacus rufescens is recombined as Megalurus rufescens'
'Sphenura broadbenti is recombined as Dasyornis broadbenti'
'Sphyrapicus belongs to Picidae'
'Spindalidae belongs to Passeriformes'
'Spindalis belongs to Spindalidae'
'Spinus belongs to Fringillidae'
'Spiza belongs to Cardinalidae'
'Spizaetus belongs to Accipitridae'
'Spizaetus melanoleucus belongs to Spizaetus' according to Vieillot 1819
'Spizaetus melanoleucus is recombined as Geranoaetus melanoleucus'
'Spizella belongs to Passerellidae'
'Spizella breweri belongs to Spizella' according to Cassin 1856
'Spizella breweri belongs to Spizella'
'Steganopus is a subjective synonym of Phalaropus'
'Steganopus tricolor is recombined as Phalaropus tricolor'
'Steganopus tricolor belongs to Steganopus' according to Vieillot 1819
'Stenorhynchus is replaced by Cinclocerthia'
'Stenorhynchus ruficauda belongs to Stenorhynchus' according to Gould 1836
'Stenorhynchus ruficauda is recombined as Cinclocerthia ruficauda'
'Stephanoaetus belongs to Accipitridae'
'Stercorariidae belongs to Charadriiformes'
'Stercorarius belongs to Stercorariidae'
'Stercorarius longicaudus belongs to Stercorarius'
'Stercorarius maccormicki belongs to Stercorarius' according to Saunders 1893
'Stercorarius maccormicki belongs to Stercorarius'
'Sterna belongs to Laridae'
'Sterna alba is recombined as Gygis alba'
'Sterna bergii belongs to Sterna' according to Lichtenstein 1823
'Sterna bergii is recombined as Thalasseus bergii'
'Sterna candida belongs to Sterna' according to Gmelin 1789
'Sterna candida is recombined as Gygis alba candida'
'Sterna caspia belongs to Sterna' according to Pallas 1770
'Sterna caspia is recombined as Hydroprogne caspia'
'Sterna cerulea is recombined as Anous ceruleus'
'Sterna elegans belongs to Sterna' according to Gambel 1849
'Sterna elegans is recombined as Thalasseus elegans'
'Sterna forsteri belongs to Sterna'
'Sterna forsteri belongs to Sterna' according to Nuttall 1834
'Sterna fuscata is recombined as Onychoprion fuscatus'
'Sterna hirundo belongs to Sterna'
'Sterna inca belongs to Sterna' according to Lesson and Garnot 1827
'Sterna inca is recombined as Larosterna inca'
'Sterna lunata belongs to Sterna' according to Peale 1848
'Sterna lunata is recombined as Onychoprion lunatus'
'Sterna maxima is recombined as Thalasseus maximus'
'Sterna nigra is recombined as Chlidonias niger'
'Sterna nilotica is recombined as Gelochelidon nilotica'
'Sterna paradisaea belongs to Sterna' according to Pontoppidan 1763
'Sterna paradisaea belongs to Sterna'
'Sterna philadelphia belongs to Sterna' according to Ord 1815
'Sterna philadelphia is recombined as Chroicocephalus philadelphia'
'Sterna sandvicensis belongs to Sterna' according to Latham 1787
'Sterna sandvicensis is recombined as Thalasseus sandvicensis'
'Sterna stolida is recombined as Anous stolidus'
'Sterna striata belongs to Sterna'
'Sterna sumatrana belongs to Sterna'
'Sterna vittata belongs to Sterna'
'Sterna vittata belongs to Sterna' according to Gmelin 1789
'Sternula belongs to Laridae'
'Sternula nereis belongs to Sternula' according to Gould 1843
'Sternula nereis belongs to Sternula'
'Stictocarbo is a subjective synonym of Phalacrocorax'
'Strepera belongs to Cracticidae'
'Strepsilas is an objective synonym of Arenaria'
'Strepsilas melanocephalus belongs to Strepsilas' according to Vigors 1829
'Strepsilas melanocephalus is recombined as Arenaria melanocephala'
'Streptopelia belongs to Columbidae'
'Streptoprocne belongs to Apodidae'
'Strigidae belongs to Strigiformes'
'Strigopidae belongs to Psittaciformes'
'Strigops belongs to Strigopidae'
'Strigops habroptila belongs to Strigops' according to Gray 1845
'Strigops habroptila belongs to Strigops'
'Strix belongs to Strigidae'
'Strix acadica is recombined as Aegolius acadicus'
'Strix africana belongs to Strix' according to Temminck 1821
'Strix africana is recombined as Bubo africanus'
'Strix alba is recombined as Tyto alba'
'Strix aluco belongs to Strix'
'Strix asio is recombined as Megascops asio'
'Strix bubo is recombined as Bubo bubo'
'Strix cunicularia is recombined as Athene cunicularia'
'Strix delicatulus belongs to Strix' according to Gould 1837
'Strix delicatulus is recombined as Tyto alba delicatula'
'Strix flammea is recombined as Asio flammeus'
'Strix flammea gracilirostris belongs to Strix flammea' according to Hartert 1905
'Strix flammea gracilirostris is recombined as Tyto alba gracilirostris'
'Strix funerea is recombined as Aegolius funereus'
'Strix glaucops belongs to Strix' according to Kaup 1853
'Strix glaucops is recombined as Tyto glaucops'
'Strix ketupu belongs to Strix' according to Horsfield 1821
'Strix ketupu is recombined as Ketupa ketupu'
'Strix lactea belongs to Strix' according to Temminck 1820
'Strix lactea is recombined as Bubo lacteus'
'Strix lempiji belongs to Strix' according to Horsfield 1821
'Strix lempiji is recombined as Otus lempiji'
'Strix leptogrammica belongs to Strix' according to Temminck 1832
'Strix leptogrammica belongs to Strix'
'Strix nebulosa belongs to Strix' according to Forster 1772
'Strix nebulosa belongs to Strix'
'Strix noctua is recombined as Athene noctua'
'Strix novaehollandiae belongs to Strix' according to Stephens 1826
'Strix novaehollandiae is recombined as Tyto novaehollandiae'
'Strix novaeseelandiae belongs to Strix' according to Gmelin 1788
'Strix novaeseelandiae is recombined as Ninox novaeseelandiae'
'Strix otus is recombined as Asio otus'
'Strix pratincola belongs to Strix' according to Bonaparte 1838
'Strix pratincola is recombined as Tyto alba pratincola'
'Strix punctatissima belongs to Strix' according to Gould and Gray 1838
'Strix punctatissima is recombined as Tyto alba punctatissima'
'Strix scandiaca is recombined as Bubo scandiacus'
'Strix scops is recombined as Otus scops'
'Strix sumatrana belongs to Strix' according to Raffles 1822
'Strix sumatrana is recombined as Bubo sumatranus'
'Strix superciliaris belongs to Strix' according to Vieillot 1817
'Strix superciliaris is recombined as Ninox superciliaris'
'Strix ulula is recombined as Surnia ulula'
'Strix uralensis belongs to Strix' according to Pallas 1771
'Strix uralensis belongs to Strix'
'Strix varius is corrected as Strix varia and belongs to Strix'
'Strix virginiana is recombined as Bubo virginianus'
'Strix zeylonensis belongs to Strix' according to Gmelin 1788
'Strix zeylonensis is recombined as Ketupa zeylonensis'
'Struthio belongs to Struthionidae'
'Struthio americanus is recombined as Rhea americana'
'Struthio australis belongs to Struthio' according to Gurney 1868
'Struthio australis is recombined as Struthio camelus australis'
'Struthio camelus belongs to Struthio'
'Struthio cucullatus is recombined as Raphus cucullatus'
'Struthionidae belongs to Struthioniformes'
'Sturnella belongs to Icteridae'
'Sturnella neglecta belongs to Sturnella' according to Audubon 1844
'Sturnella neglecta belongs to Sturnella'
'Sturnidae belongs to Passeriformes'
'Sturnus belongs to Sturnidae'
'Sturnus carunculatus is recombined as Philesturnus carunculatus'
'Sturnus cinclus is recombined as Cinclus cinclus'
'Sturnus collaris belongs to Sturnus' according to Scopoli 1769
'Sturnus collaris is recombined as Prunella collaris'
'Sturnus vulgaris belongs to Sturnus'
'Sula belongs to Sulidae'
'Sula abbotti is recombined as Papasula abbotti'
'Sula dactylatra belongs to Sula'
'Sula tasmani is recombined as Sula dactylatra tasmani'
'Sulidae belongs to Suliformes'
'Surnia belongs to Strigidae'
'Sylvia belongs to Sylviidae'
'Sylvia celata is recombined as Oreothlypis celata'
'Sylvia communis belongs to Sylvia' according to Latham 1787
'Sylvia communis belongs to Sylvia'
'Sylvia platensis belongs to Sylvia' according to Latham 1790
'Sylvia platensis is recombined as Cistothorus platensis'
'Sylvia sarda belongs to Sylvia'
'Sylvia sarda belongs to Sylvia' according to Temminck 1820
'Sylviidae belongs to Passeriformes'
'Symphemia is a subjective synonym of Tringa'
'Symphemia semipalmata inornata belongs to Symphemia semipalmata' according to Brewster 1887
'Symphemia semipalmata inornata is recombined as Tringa semipalmata inornata'
'Synallaxis belongs to Furnariidae'
'Synallaxis punctata belongs to Synallaxis' according to Quoy and Gaimard 1830
'Synallaxis punctata is recombined as Megalurus punctatus'
'Synoicus belongs to Phasianidae'
'Synthliboramphus belongs to Alcidae'
'Syrnium is a subjective synonym of Strix'
'Syrnium occidentale belongs to Syrnium' according to Xántus 1860
'Syrnium occidentale is recombined as Strix occidentalis'
'Syrnium virgatum belongs to Syrnium' according to Cassin 1849
'Syrnium virgatum is recombined as Ciccaba virgata'
'Syrrhaptes belongs to Pteroclidae'
'Tachybaptus belongs to Podicipedidae'
'Tachycineta belongs to Hirundinidae'
'Tadorna belongs to Anatidae'
'Taeniopygia belongs to Estrildidae'
'Tanagra capensis is recombined as Turnagra capensis'
'Tanagra dominica belongs to Tanagra' according to Linnaeus 1766
'Tanagra dominica is recombined as Dulus dominicus'
'Tanagra grisea belongs to Tanagra' according to Boddaert 1783
'Tanagra grisea is recombined as Vireo griseus'
'Tanagra jacarina belongs to Tanagra' according to Linnaeus 1766
'Tanagra jacarina is recombined as Volatinia jacarina'
'Tanagra ludoviciana belongs to Tanagra' according to Wilson 1811
'Tanagra ludoviciana is recombined as Piranga ludoviciana'
'Tanagra olivacea is recombined as Piranga olivacea'
'Tantalus is a subjective synonym of Mycteria'
'Tantalus aethiopicus is recombined as Threskiornis aethiopicus'
'Tantalus aethiopicus belongs to Tantalus' according to Latham 1790
'Tantalus cristatus is recombined as Lophotibis cristata'
'Tantalus cristatus belongs to Tantalus' according to Boddaert 1783
'Tantalus falcinellus belongs to Tantalus' according to Linnaeus 1766
'Tantalus falcinellus is recombined as Plegadis falcinellus'
'Tantalus ibis belongs to Tantalus' according to Linnaeus 1766
'Tantalus ibis is recombined as Mycteria ibis'
'Tantalus pictus belongs to Tantalus' according to Meyer 1794
'Tantalus pictus is recombined as Aramus guarauna pictus'
'Telespiza ultima belongs to Telespiza'
'Telespyza is corrected as Telespiza and belongs to Fringillidae'
'Telespyza cantans is recombined as Telespiza cantans'
'Temnotrogon is a subjective synonym of Priotelus'
'Terpsiphone belongs to Monarchidae'
'Tetrao belongs to Phasianidae'
'Tetrao (Lagopus) leucurus belongs to Tetrao (Lagopus)' according to Richardson 1831
'Tetrao (Lagopus) leucurus is recombined as Lagopus leucura'
'Tetrao alchata belongs to Tetrao' according to Linnaeus 1766
'Tetrao alchata is recombined as Pterocles alchata'
'Tetrao bonasia is recombined as Tetrastes bonasia'
'Tetrao californicus belongs to Tetrao' according to Shaw 1798
'Tetrao californicus is recombined as Callipepla californica'
'Tetrao canadensis is recombined as Falcipennis canadensis'
'Tetrao capensis belongs to Tetrao' according to Gmelin 1789
'Tetrao capensis is recombined as Pternistis capensis'
'Tetrao chinensis belongs to Tetrao' according to Linnaeus 1766
'Tetrao chinensis is recombined as Synoicus chinensis'
'Tetrao coturnix is recombined as Coturnix coturnix'
'Tetrao cristatus is recombined as Colinus cristatus'
'Tetrao cupido is recombined as Tympanuchus cupido'
'Tetrao lagopus is recombined as Lagopus lagopus'
'Tetrao madagarensis belongs to Tetrao' according to Scopoli 1786
'Tetrao madagarensis is recombined as Margaroperdix madagarensis'
'Tetrao mutus belongs to Tetrao' according to Montin 1781
'Tetrao mutus is recombined as Lagopus muta'
'Tetrao nigricollis belongs to Tetrao' according to Gmelin 1789
'Tetrao nigricollis is recombined as Turnix nigricollis'
'Tetrao obscurus is recombined as Canace obscura' according to Ridgway 1873
'Tetrao obscurus is recombined as Dendragapus obscurus'
'Tetrao orientalis is recombined as Pterocles orientalis'
'Tetrao paradoxa belongs to Tetrao' according to Pallas 1773
'Tetrao paradoxa is recombined as Syrrhaptes paradoxus'
'Tetrao parvirostris belongs to Tetrao' according to Bonaparte 1856
'Tetrao parvirostris is a subjective synonym of Tetrao urogalloides'
'Tetrao perdix is recombined as Perdix perdix'
'Tetrao petrosa is recombined as Ptilopachus petrosus'
'Tetrao phasianellus is recombined as Tympanuchus phasianellus'
'Tetrao rufus is recombined as Alectoris rufa'
'Tetrao suscitator belongs to Tetrao' according to Gmelin 1789
'Tetrao suscitator is recombined as Turnix suscitator'
'Tetrao sylvaticus belongs to Tetrao' according to Desfontaines 1789
'Tetrao sylvaticus is recombined as Turnix sylvaticus'
'Tetrao tetrix belongs to Tetrao'
'Tetrao umbellus is recombined as Bonasa umbellus'
'Tetrao urogalloides belongs to Tetrao'
'Tetrao urogalloides belongs to Tetrao' according to Middendorff 1853
'Tetrao urogallus belongs to Tetrao'
'Tetrao urophasianus belongs to Tetrao' according to Bonaparte 1827
'Tetrao urophasianus is recombined as Centrocercus urophasianus'
'Tetrao virginianus is recombined as Colinus virginianus'
'Tetraogallus belongs to Phasianidae'
'Tetrastes belongs to Phasianidae'
'Tetrax belongs to Otididae'
'Thalassarche belongs to Diomedeidae'
'Thalasseus belongs to Laridae'
'Thalassidroma castro is recombined as Oceanodroma castro'
'Thalassidroma monorhis is recombined as Oceanodroma monorhis'
'Thalassidroma monorhis belongs to Thalassidroma' according to Swinhoe 1867
'Thalassidroma nereis is recombined as Garrodia nereis'
'Thalassidroma nereis belongs to Thalassidroma' according to Gould 1841
'Thalassoica belongs to Procellariidae'
'Thamnornis belongs to Bernieridae'
'Thinocoridae belongs to Charadriiformes'
'Thinocorus belongs to Thinocoridae'
'Thinocorus rumicivorus belongs to Thinocorus' according to Eschscholtz 1829
'Thinocorus rumicivorus belongs to Thinocorus'
'Thraupidae belongs to Passeriformes'
'Threskiornis belongs to Threskiornithidae'
'Threskiornithidae belongs to Pelecaniformes'
'Thryomanes belongs to Troglodytidae'
'Thryothorus belongs to Troglodytidae'
'Thryothorus luscinius belongs to Thryothorus' according to Quoy and Gaimard 1830
'Thryothorus luscinius is recombined as Acrocephalus luscinius'
'Tiaris belongs to Thraupidae'
'Tichodroma belongs to Tichodromidae'
'Tichodromidae belongs to Passeriformes'
'Tigrisoma belongs to Ardeidae'
'Tigrisoma mexicanum belongs to Tigrisoma' according to Swainson 1834
'Tigrisoma mexicanum belongs to Tigrisoma'
'Tinamidae belongs to Tinamiformes'
'Tinamus belongs to Tinamidae'
'Tinamus tataupa belongs to Tinamus' according to Temminck 1815
'Tinamus tataupa is recombined as Crypturellus tataupa'
'Tinamus undulatus is recombined as Crypturellus undulatus'
'Tinnunculus is a subjective synonym of Falco'
'Tinnunculus newtoni belongs to Tinnunculus' according to Gurney 1863
'Tinnunculus newtoni is recombined as Falco newtoni'
'Tityra belongs to Tityridae'
'Tityridae belongs to Passeriformes'
'Todidae belongs to Coraciiformes'
'Todiramphus belongs to Alcedinidae'
'Todus belongs to Todidae'
'Todus angustirostris belongs to Todus' according to Lafresnaye 1851
'Todus angustirostris belongs to Todus'
'Todus subulatus belongs to Todus'
'Todus subulatus belongs to Todus' according to Gray 1847
'Tolmarchus is a subjective synonym of Tyrannus'
'Totanus is a subjective synonym of Tringa'
'Toxostoma belongs to Mimidae'
'Treron belongs to Columbidae'
'Treron formosae belongs to Treron' according to Swinhoe 1863
'Treron formosae belongs to Treron'
'Tribonyx belongs to Rallidae'
'Tribonyx mortierii belongs to Tribonyx'
'Trichoglossus belongs to Psittaculidae'
'Trichoglossus porphyrocephalus belongs to Trichoglossus' according to Dietrichsen 1837
'Trichoglossus porphyrocephalus is recombined as Glossopsitta porphyrocephala'
'Tricholimnas is a subjective synonym of Gallirallus'
'Trigonoceps belongs to Accipitridae'
'Tringa belongs to Scolopacidae'
'Tringa alba belongs to Tringa' according to Pallas 1764
'Tringa alba is recombined as Calidris alba'
'Tringa alpina is recombined as Calidris alpina'
'Tringa canutus is recombined as Calidris canutus'
'Tringa ferrugineus is recombined as Calidris ferruginea'
'Tringa ferrugineus belongs to Tringa' according to Pontoppidan 1763
'Tringa fulicaria is recombined as Phalaropus fulicarius'
'Tringa fuscicollis is recombined as Calidris fuscicollis'
'Tringa glareola belongs to Tringa'
'Tringa himantopus belongs to Tringa' according to Bonaparte 1826
'Tringa himantopus is recombined as Calidris himantopus'
'Tringa hypoleucos is recombined as Actitis hypoleucos'
'Tringa lobata is recombined as Phalaropus lobatus'
'Tringa longicauda is recombined as Bartramia longicauda'
'Tringa macularia is recombined as Actitis macularius'
'Tringa melanotos is recombined as Calidris melanotos'
'Tringa minuta belongs to Tringa' according to Leisler 1812
'Tringa minuta is recombined as Calidris minuta'
'Tringa ochropus belongs to Tringa'
'Tringa pugnax is recombined as Calidris pugnax'
'Tringa pusilla belongs to Tringa' according to Linnaeus 1766
'Tringa pusilla is recombined as Calidris pusilla'
'Tringa solitaria belongs to Tringa' according to Wilson 1813
'Tringa solitaria belongs to Tringa'
'Tringa squatarola is recombined as Pluvialis squatarola'
'Tringa temminckii belongs to Tringa' according to Leisler 1812
'Tringa temminckii is recombined as Calidris temminckii'
'Tringa vanellus is recombined as Vanellus vanellus'
'Trocaza is a subjective synonym of Columba'
'Trochilidae belongs to Caprimulgiformes'
'Trochilus belongs to Trochilidae'
'Trochilus cristatus is recombined as Orthorhyncus cristatus'
'Trochilus dominicus is recombined as Anthracothorax dominicus'
'Trochilus dominicus belongs to Trochilus' according to Linnaeus 1766
'Trochilus minimus is recombined as Mellisuga minima'
'Troglodytes belongs to Troglodytidae'
'Troglodytes aedon belongs to Troglodytes' according to Vieillot 1809
'Troglodytes aedon belongs to Troglodytes'
'Troglodytes bewickii belongs to Troglodytes' according to Audubon 1827
'Troglodytes bewickii is recombined as Thryomanes bewickii'
'Troglodytes obsoleta belongs to Troglodytes' according to Say 1822
'Troglodytes obsoleta is recombined as Salpinctes obsoletus'
'Troglodytidae belongs to Passeriformes'
'Trogon roseigaster belongs to Trogon' according to Vieillot 1817
'Trogon roseigaster is recombined as Priotelus roseigaster'
'Trogonidae belongs to Trogoniformes'
'Turdidae belongs to Passeriformes'
'Turdus belongs to Turdidae'
'Turdus amaurotis is recombined as Hypsipetes amaurotis'
'Turdus amaurotis belongs to Turdus' according to Temminck 1830
'Turdus aureus is recombined as Zoothera aurea'
'Turdus australis is recombined as Petroica australis'
'Turdus brachypterus is recombined as Dasyornis brachypterus'
'Turdus dauma belongs to Turdus' according to Latham 1790
'Turdus dauma is recombined as Zoothera dauma'
'Turdus falcklandii belongs to Turdus' according to Quoy and Gaimard 1824
'Turdus falcklandii belongs to Turdus'
'Turdus fuscatus belongs to Turdus' according to Vieillot 1808
'Turdus fuscatus is recombined as Margarops fuscatus'
'Turdus hortulorum belongs to Turdus' according to Sclater 1863
'Turdus hortulorum belongs to Turdus'
'Turdus iliacus belongs to Turdus'
'Turdus lherminieri belongs to Turdus' according to Lafresnaye 1844
'Turdus lherminieri belongs to Turdus'
'Turdus madagascariensis belongs to Turdus' according to Statius Muller 1776
'Turdus madagascariensis is recombined as Hypsipetes madagascariensis'
'Turdus merula belongs to Turdus'
'Turdus migratorius belongs to Turdus'
'Turdus naevius belongs to Turdus' according to Gmelin 1789
'Turdus naevius is recombined as Ixoreus naevius'
'Turdus obscurus belongs to Turdus' according to Gmelin 1789
'Turdus obscurus belongs to Turdus'
'Turdus pallidus belongs to Turdus' according to Gmelin 1789
'Turdus pallidus belongs to Turdus'
'Turdus palmarum is recombined as Phaenicophilus palmarum'
'Turdus palmarum belongs to Turdus' according to Linnaeus 1766
'Turdus philomelos belongs to Turdus' according to Brehm 1831
'Turdus philomelos belongs to Turdus'
'Turdus pilaris belongs to Turdus'
'Turdus plumbeus belongs to Turdus'
'Turdus poliocephalus belongs to Turdus' according to Latham 1801
'Turdus poliocephalus belongs to Turdus'
'Turdus polyglottos is recombined as Mimus polyglottos'
'Turdus punctatus is recombined as Cinclosoma punctatum'
'Turdus roseus is recombined as Pastor roseus'
'Turdus rufus is recombined as Toxostoma rufum'
'Turdus solitarius is recombined as Monticola solitarius'
'Turdus torquatus belongs to Turdus'
'Turdus trichas belongs to Turdus' according to Linnaeus 1766
'Turdus trichas is recombined as Geothlypis trichas'
'Turdus ustulatus belongs to Turdus' according to Nuttall 1840
'Turdus ustulatus is recombined as Catharus ustulatus'
'Turdus viscivorus belongs to Turdus'
'Turnagra belongs to Oriolidae'
'Turnagridae is a subjective synonym of Oriolidae'
'Turnicidae belongs to Charadriiformes'
'Turnix belongs to Turnicidae'
'Turnix novaecaledoniae belongs to Turnix' according to Ogilvie-Grant 1889
'Turnix novaecaledoniae is recombined as Turnix varius novaecaledoniae'
'Turtur belongs to Columbidae'
'Tympanuchus belongs to Phasianidae'
'Tyrannidae belongs to Passeriformes'
'Tyrannula is replaced by Myiobius'
'Tyrannula magnirostris belongs to Tyrannula' according to Gould 1838
'Tyrannula magnirostris is recombined as Myiarchus magnirostris'
'Tyrannula nigricans belongs to Tyrannula' according to Swainson 1827
'Tyrannula nigricans is recombined as Sayornis nigricans'
'Tyrannus belongs to Tyrannidae'
'Tyrannus caudifasciatus belongs to Tyrannus' according to d'Orbigny 1839
'Tyrannus caudifasciatus belongs to Tyrannus'
'Tyrannus cubensis belongs to Tyrannus' according to Richmond 1898
'Tyrannus cubensis belongs to Tyrannus'
'Tyrannus melancholicus belongs to Tyrannus' according to Vieillot 1819
'Tyrannus melancholicus belongs to Tyrannus'
'Tyrannus vociferans belongs to Tyrannus' according to Swainson 1826
'Tyrannus vociferans belongs to Tyrannus'
'Tyto belongs to Tytonidae'
'Tytonidae belongs to Strigiformes'
'Upupa belongs to Upupidae'
'Upupa epops belongs to Upupa'
'Upupa eremita is recombined as Geronticus eremita'
'Upupa marginata belongs to Upupa' according to Cabanis and Heine 1860
'Upupa marginata belongs to Upupa'
'Upupa pyrrhocorax is recombined as Pyrrhocorax pyrrhocorax'
'Upupa varia belongs to Upupa' according to Boddaert 1783
'Upupa varia is recombined as Fregilupus varius'
'Upupidae belongs to Bucerotiformes'
'Uria belongs to Alcidae'
'Uria aleutica is recombined as Ptychoramphus aleuticus'
'Uria pusilla belongs to Uria' according to Pallas 1811
'Uria pusilla is recombined as Aethia pusilla'
'Urodynamis belongs to Cuculidae'
'Vaginalis is a subjective synonym of Chionis'
'Vaginalis albus belongs to Vaginalis' according to Gmelin 1789
'Vaginalis albus is recombined as Chionis albus'
'Vanellus belongs to Charadriidae'
'Vanga belongs to Vangidae'
'Vangidae belongs to Passeriformes'
'Vermivora belongs to Parulidae'
'Vini belongs to Psittaculidae'
'Vireo belongs to Vireonidae'
'Vireonidae belongs to Passeriformes'
'Volatinia belongs to Thraupidae'
'Vultur belongs to Cathartidae'
'Vultur atratus is recombined as Coragyps atratus'
'Vultur aura is recombined as Cathartes aura'
'Vultur barbatus is recombined as Gypaetus barbatus'
'Vultur californianus is recombined as Gymnogyps californianus'
'Vultur fulvus belongs to Vultur' according to Hablizl 1783
'Vultur fulvus is recombined as Gyps fulvus'
'Vultur gryphus belongs to Vultur'
'Vultur harpyja is recombined as Harpia harpyja'
'Vultur monachus is recombined as Aegypius monachus'
'Vultur papa is recombined as Sarcoramphus papa'
'Vultur percnopterus is recombined as Neophron percnopterus'
'Vultur radiatus belongs to Vultur' according to Scopoli 1786
'Vultur radiatus is recombined as Polyboroides radiatus'
'Vultur urubu belongs to Vultur' according to Vieillot 1807
'Vultur urubu is a subjective synonym of Coragyps atratus'
'Xanthocephalus belongs to Icteridae'
'Xanthornus is a subjective synonym of Icterus'
'Xanthornus bullockii belongs to Xanthornus' according to Swainson 1827
'Xanthornus bullockii is recombined as Icterus bullockii'
'Xema belongs to Laridae'
'Xenoligea belongs to Phaenicophilidae'
'Xenus belongs to Scolopacidae'
'Xiphidiopicus belongs to Picidae'
'Zapornia belongs to Rallidae'
'Zenaida belongs to Columbidae'
'Zenaida galapagoensis belongs to Zenaida' according to Gould 1841
'Zenaida galapagoensis belongs to Zenaida'
'Zonotrichia belongs to Passerellidae'
'Zoothera belongs to Turdidae'
'Zosteropidae belongs to Passeriformes'
'Zosterops belongs to Zosteropidae'
'Zosterops montana belongs to Zosterops' according to Bonaparte 1850
'Zosterops montana is corrected as Zosterops montanus and belongs to Zosterops'