PBDB

Opinions from J. Mlikovsky 2002

'Acrocephalus belongs to Sylviidae'
'Aegialornis belongs to Aegialornithidae'
'Aegialornis gallicus belongs to Aegialornis'
'Aegialornis germanicus belongs to Aegialornis'
'Aegialornis szarskii belongs to Aegialornis' according to Peters 1985
'Aegialornis szarskii is recombined as Scaniacypselus szarskii'
'Aegialornis wetmorei is recombined as Mesogiornis wetmorei'
'Aegithalos belongs to Aegithalidae'
'Aegolius belongs to Strigidae'
'Aegypius belongs to Accipitridae'
'Aenigmavis belongs to Cariamidae'
'Aenigmavis sapea belongs to Aenigmavis' according to Peters 1987
'Aenigmavis sapea belongs to Aenigmavis'
'Agnopterus belongs to Cariamidae'
'Agnopterus laurillardi belongs to Agnopterus'
'Alasio belongs to Strigidae'
'Alauda belongs to Alaudidae'
'Alauda alpestris is recombined as Eremophila alpestris'
'Alauda arborea is recombined as Lullula arborea'
'Alauda arvensis belongs to Alauda'
'Alauda campestris belongs to Alauda' according to Linnaeus 1758
'Alauda campestris is recombined as Anthus campestris'
'Alauda cinerea belongs to Alauda' according to Gmelin 1789
'Alauda cinerea is recombined as Calandrella cinerea'
'Alauda cristata is recombined as Galerida cristata'
'Alauda pratensis is recombined as Anthus pratensis'
'Alca belongs to Alcidae'
'Alca impennis belongs to Alca'
'Alca torda belongs to Alca'
'Alcedo belongs to Alcedinidae'
'Alectoris belongs to Phasianidae'
'Alectoris baryosefi belongs to Alectoris' according to Tchernov 1980
'Alectoris baryosefi is a subjective synonym of Alectoris donnezani'
'Alectoris bavarica belongs to Alectoris'
'Alectoris pliocaena belongs to Alectoris' according to Tugarinov 1940
'Alectoris pliocaena is an invalid subgroup of Phasianidae'
'Alectoris sutcliffei belongs to Alectoris' according to Harrison 1980
'Alectoris sutcliffei is a subjective synonym of Perdix perdix'
'Ameghinornis belongs to Cariamidae'
'Ameripodius belongs to Megapodiidae'
'Ameripodius alexis belongs to Ameripodius' according to Mourer-Chauviré 2000
'Ameripodius alexis belongs to Ameripodius'
'Ammoperdix ponticus belongs to Ammoperdix' according to Tugarinov 1940
'Ammoperdix ponticus is a subjective synonym of Alectoris donnezani'
'Amphipelargus belongs to Eogruidae'
'Amphipelargus majori belongs to Amphipelargus'
'Anatalavis oxfordi is recombined as Nettapterornis oxfordi'
'Anhinga belongs to Anhingidae'
'Anthus belongs to Motacillidae'
'Apaloderma belongs to Trogonidae'
'Apus belongs to Apodidae'
'Apus ignotus is recombined as Procypseloides ignotus'
'Apus wetmorei belongs to Apus' according to Ballmann 1976
'Aquila belongs to Accipitridae'
'Aquila corroyi is an invalid subgroup of Accipitridae'
'Aquila delphinensis is an invalid subgroup of Accipitridae'
'Aquila depredator is an invalid subgroup of Accipitridae'
'Aquila fasciata is recombined as Hieraaetus fasciatus'
'Aquila fossilis belongs to Aquila' according to Giebel 1847
'Aquila fossilis is an invalid subgroup of Accipitridae'
'Aquila gervaisi is recombined as Palaeohierax gervaisii'
'Aquila hypogaea is an invalid subgroup of Accipitridae'
'Aquila minuta is replaced by Hieraaetus edwardsi'
'Aquila pennatoides is an invalid subgroup of Accipitridae'
'Aquila prisca is an invalid subgroup of Accipitridae'
'Archaeopsittacus belongs to Psittacidae'
'Archaeotrogon belongs to Caprimulgidae'
'Archaeotrogon nocturnus belongs to Archaeotrogon'
'Ardea belongs to Ardeidae'
'Ardea amissa is recombined as Proardea amissa'
'Ardea aurelianensis belongs to Ardea'
'Ardea cinerea belongs to Ardea'
'Ardea garzetta is recombined as Egretta garzetta'
'Ardea grus is recombined as Grus grus'
'Ardea perplexa is recombined as Geronticus perplexus'
'Ardea similis is a subjective synonym of Miogallus altus'
'Ardea stellaris is recombined as Botaurus stellaris'
'Ardeagrandis belongs to Ardeidae'
'Ardeagrandis arborea belongs to Ardeagrandis'
'Ardeidae belongs to Ardeiformes'
'Argillornis belongs to Pelagornithidae'
'Argillornis longipennis belongs to Argillornis'
'Asio belongs to Strigidae'
'Asio pygmaeus belongs to Asio' according to Serebrovs'kyj 1941
'Asio pygmaeus is an invalid subgroup of Strigidae'
'Athene belongs to Strigidae'
'Athene angelis belongs to Athene' according to Mourer-Chauviré et al. 1997
'Athene angelis belongs to Athene'
'Athene cretensis belongs to Athene'
'Balearica belongs to Gruidae'
'Barornis is a subjective synonym of Gastornis'
'Basityto belongs to Strigidae'
'Basityto rummeli belongs to Basityto' according to Mlíkovský 1998
'Basityto rummeli belongs to Basityto'
'Berruornis belongs to Sophiornithidae'
'Berruornis orbisantiqui belongs to Berruornis'
'Bombycilla belongs to Bombycillidae'
'Bonasa belongs to Phasianidae'
'Botaurus belongs to Ardeidae'
'Bubo belongs to Strigidae'
'Bubo arvernensis is recombined as Necrobyas arvernensis'
'Bubo florianae is an invalid subgroup of Strigidae'
'Bubo florianae belongs to Bubo' according to Kretzoi 1957
'Bubo incertus is an invalid subgroup of Strigidae'
'Bubo longaevus belongs to Bubo' according to Umans'ka 1979
'Bubo longaevus is recombined as Asio longaevus'
'Bubo poirrieri is recombined as Mioglaux poirrieri'
'Buteo belongs to Accipitridae'
'Buteo pusillus belongs to Buteo' according to Ballmann 1969
'Buteo pusillus belongs to Buteo'
'Buteo spassovi belongs to Buteo' according to Boev 1998
'Buteo spassovi belongs to Buteo'
'Calandrella belongs to Alaudidae'
'Calonectris belongs to Procellariidae'
'Capitonides is a subjective synonym of Trachyphonus'
'Capitonides europeus belongs to Capitonides' according to Ballmann 1969
'Capitonides europeus is recombined as Trachyphonus europeus'
'Capitonides protractus is recombined as Trachyphonus protractus'
'Capitonides protractus belongs to Capitonides' according to Ballmann 1983
'Caprimulgus belongs to Caprimulgidae'
'Caprimulgus europaeus belongs to Caprimulgus'
'Carduelis belongs to Fringillidae'
'Cepphus belongs to Alcidae'
'Cepphus storeri belongs to Cepphus'
'Certhia belongs to Certhiidae'
'Certhia familiaris belongs to Certhia' according to Linnaeus 1758
'Certhia familiaris belongs to Certhia'
'Cettia belongs to Sylviidae'
'Chaetura belongs to Apodidae'
'Chaetura baconica belongs to Chaetura' according to Jánossy 1977
'Chaetura baconica belongs to Chaetura'
'Chauvireria is a subjective synonym of Alectoris'
'Chauvireria balcanica belongs to Chauvireria' according to Boev 1997
'Chauvireria balcanica is a subjective synonym of Alectoris donnezani'
'Chlamydotis belongs to Otididae'
'Chlamydotis mesetaria belongs to Chlamydotis' according to Sánchez Marco 1990
'Chlamydotis pliodeserti belongs to Chlamydotis' according to Serebrovs'kyj 1941
'Chlamydotis pliodeserti is a subjective synonym of Gryzaja odessana'
'Chlidonias belongs to Laridae'
'Ciconia belongs to Ciconiidae'
'Ciconia gaudryi belongs to Ciconia'
'Ciconia sarmatica belongs to Ciconia' according to Grigorescu and Kessler 1977
'Ciconia stehlini belongs to Ciconia' according to Jánossy 1992
'Ciconia stehlini belongs to Ciconia'
'Circaetus belongs to Accipitridae'
'Circus belongs to Accipitridae'
'Coccothraustes belongs to Fringillidae'
'Colius belongs to Coliidae'
'Columba belongs to Columbidae'
'Columba livia belongs to Columba'
'Columba melitensis belongs to Columba'
'Columba oenas belongs to Columba'
'Columba palumbus belongs to Columba'
'Colymboides belongs to Gaviidae'
'Colymboides anglicus belongs to Colymboides'
'Colymboides minutus belongs to Colymboides'
'Colymbus aalge is recombined as Uria aalge'
'Colymbus auritus is recombined as Podiceps auritus'
'Colymbus cristatus is recombined as Podiceps cristatus'
'Colymbus grisegena is recombined as Podiceps grisegena'
'Colymbus ruficollis is recombined as Podiceps ruficollis'
'Coracias belongs to Coraciidae'
'Coracias garrulus belongs to Coracias'
'Corvus belongs to Corvidae'
'Corvus caryocatactes is recombined as Nucifraga caryocatactes'
'Corvus corone belongs to Corvus'
'Corvus glandarius is recombined as Garrulus glandarius'
'Corvus graculus is recombined as Pyrrhocorax graculus'
'Corvus larteti is recombined as Miocorvus larteti'
'Corvus monedula belongs to Corvus'
'Corvus pica is recombined as Pica pica'
'Coturnix belongs to Phasianidae'
'Coturnix miocenica is a subjective synonym of Coturnix gallica'
'Crex belongs to Rallidae'
'Cryptornis belongs to Coraciidae'
'Cryptornis antiquus belongs to Cryptornis'
'Cuculus belongs to Cuculidae'
'Cuculus canorus belongs to Cuculus'
'Cuculus csarnotanus belongs to Cuculus' according to Jánossy 1979
'Cuculus csarnotanus belongs to Cuculus'
'Cygnus bilinicus is an invalid subgroup of Ciconiidae'
'Cypselavus belongs to Aegialornithidae'
'Cypselavus gallicus belongs to Cypselavus'
'Cypseloides mourerchauvireae belongs to Cypseloides' according to Mlíkovský 1989
'Cypseloides mourerchauvireae is recombined as Procypseloides mourerchauvireae'
'Cypselus gaillardi is recombined as Apus gaillardi'
'Dasornis belongs to Pelagornithidae'
'Dasornis londinensis belongs to Dasornis'
'Delichon belongs to Hirundinidae'
'Dendrocopos is a subjective synonym of Picoides'
'Diatryma is a subjective synonym of Gastornis'
'Diatryma cotei is an invalid subgroup of Cariamidae'
'Diatryma sarasini belongs to Diatryma'
'Diomedea belongs to Procellariidae'
'Diomedea anglica belongs to Diomedea'
'Diomedea rumana belongs to Diomedea' according to Grigorescu and Kessler 1988
'Diomedeoides belongs to Procellariidae'
'Diomedeoides minimus belongs to Diomedeoides'
'Dynamopterus belongs to Cuculidae'
'Dynamopterus boulei belongs to Dynamopterus'
'Dynamopterus velox belongs to Dynamopterus'
'Dyspetornis is a subjective synonym of Colymboides'
'Egretta belongs to Ardeidae'
'Elaphrocnemus gracilis is recombined as Agnopterus gracilis'
'Emberiza belongs to Emberizidae'
'Emberiza citrinella belongs to Emberiza'
'Empheresula belongs to Sulidae'
'Enkurosula belongs to Sulidae'
'Eocoracias belongs to Coraciidae'
'Eocoracias brachyptera belongs to Eocoracias'
'Eocypselus belongs to Caprimulgidae'
'Eocypselus vincenti belongs to Eocypselus'
'Eoglaucidium belongs to Zygodactylidae'
'Eoglaucidium palias belongs to Eoglaucidium'
'Eostega belongs to Sulidae'
'Eostega lebedinskyi belongs to Eostega'
'Eremophila belongs to Alaudidae'
'Erithacus belongs to Turdidae'
'Euronyctibius belongs to Caprimulgidae'
'Euronyctibius kurochkini belongs to Euronyctibius'
'Eutolmaetus edwardsi is recombined as Hieraaetus edwardsi'
'Falco belongs to Falconidae'
'Falco albicilla is recombined as Haliaeetus albicilla'
'Falco apivorus is recombined as Pernis apivorus'
'Falco bakalovi belongs to Falco' according to Boev 1999
'Falco bakalovi belongs to Falco'
'Falco buteo is recombined as Buteo buteo'
'Falco cherrug belongs to Falco'
'Falco chrysaetos is recombined as Aquila chrysaetos'
'Falco gentilis is recombined as Accipiter gentilis'
'Falco medius belongs to Falco'
'Falco medius belongs to Falco' according to Umans'ka 1981
'Falco milvus is recombined as Milvus milvus'
'Falco nisus is recombined as Accipiter nisus'
'Falco peregrinus belongs to Falco'
'Falco pisanus is recombined as Columba pisana'
'Falco rapax belongs to Falco' according to Temminck 1828
'Falco rapax is recombined as Aquila rapax'
'Falco rufinus is recombined as Buteo rufinus'
'Falco rusticolus belongs to Falco'
'Falco subbuteo belongs to Falco'
'Falco tinnunculus belongs to Falco'
'Falco vespertinus belongs to Falco'
'Ficedula belongs to Turdidae'
'Fluvioviridavis belongs to Caprimulgidae'
'Francolinus capeki is a subjective synonym of Alectoris donnezani'
'Francolinus subfrancolinus belongs to Francolinus' according to Jánossy 1976
'Francolinus subfrancolinus is a subjective synonym of Alectoris donnezani'
'Francolinus wezensis belongs to Francolinus' according to Jánossy 1981
'Francolinus wezensis is a subjective synonym of Alectoris donnezani'
'Frigidafons belongs to Procellariidae'
'Frigidafons brodkorbi belongs to Frigidafons'
'Fringilla belongs to Fringillidae'
'Fringilla cannabina is recombined as Carduelis cannabina'
'Fringilla cannabina belongs to Fringilla' according to Linnaeus 1758
'Fringilla carduelis is recombined as Carduelis carduelis'
'Fringilla coelebs belongs to Fringilla'
'Fringilla montana belongs to Fringilla' according to Linnaeus 1758
'Fringilla montana is recombined as Passer montanus'
'Fringilla petronia is recombined as Petronia petronia'
'Fringilla spinus belongs to Fringilla' according to Linnaeus 1758
'Fringilla spinus is recombined as Carduelis spinus'
'Fulica belongs to Rallidae'
'Fulica atra belongs to Fulica'
'Fulica chloropus is recombined as Gallinula chloropus'
'Galerida belongs to Alaudidae'
'Gallinula belongs to Rallidae'
'Gallinula balcanica belongs to Gallinula' according to Boev 1997
'Gallinula balcanica belongs to Gallinula'
'Gallinula gigantea belongs to Gallinula' according to Tchernov 1980
'Gallinula gigantea belongs to Gallinula'
'Gallus belongs to Phasianidae'
'Gallus aesculapi is a subjective synonym of Pavo archiaci'
'Gallus beremendensis belongs to Gallus' according to Jánossy 1976
'Gallus beremendensis is an invalid subgroup of Phasianidae'
'Gallus bravardi is recombined as Pavo bravardi'
'Gallus europaeus belongs to Gallus' according to Harrison 1978
'Gallus europaeus is an invalid subgroup of Phasianidae'
'Gallus longaevus is a subjective synonym of Miogallus altus'
'Gallus moldovicus belongs to Gallus' according to Burčak-Abramovič et al. 1993
'Gallus moldovicus is an invalid subgroup of Phasianidae'
'Garganoaetus belongs to Accipitridae'
'Garganoaetus freudenthali belongs to Garganoaetus' according to Ballman 1973
'Garganoaetus freudenthali belongs to Garganoaetus'
'Garganoaetus murivorus belongs to Garganoaetus'
'Garganoaetus murivorus belongs to Garganoaetus' according to Ballman 1973
'Garrulus belongs to Corvidae'
'Gastornis belongs to Gastornithidae'
'Gastornis edwardsii is a subjective synonym of Gastornis parisiensis'
'Gastornis klaasseni is a subjective synonym of Gastornis parisiensis'
'Gastornis parisiensis belongs to Gastornis'
'Gastornis russelli belongs to Gastornis'
'Gavia belongs to Gaviidae'
'Gavia egeriana belongs to Gavia'
'Gavia moldavica belongs to Gavia' according to Kessler 1984
'Gavia moldavica belongs to Gavia'
'Gavia paradoxa belongs to Gavia' according to Umans'ka 1981
'Gavia schultzi belongs to Gavia'
'Gavia schultzi belongs to Gavia' according to Mlíkovský 1998
'Geranopsis belongs to Gruidae'
'Geranopsis elatus belongs to Geranopsis' according to Milne-Edwards 1892
'Geranopsis elatus is recombined as Propelargus elatus'
'Geranopsis hastingsiae belongs to Geranopsis'
'Geranopterus belongs to Coraciidae'
'Geranopterus alatus belongs to Geranopterus'
'Geranopterus milneedwardsi belongs to Geranopterus'
'Geronticus belongs to Threskiornithidae'
'Gervaisia is a subjective synonym of Phoenicopterus'
'Glaucidium belongs to Strigidae'
'Gracula atthis is recombined as Alcedo atthis'
'Graculus intermedius is recombined as Phalacrocorax intermedius'
'Graculus littoralis is recombined as Phalacrocorax littoralis'
'Graculus miocaenus is recombined as Nectornis miocaenus'
'Grallavis belongs to Ciconiidae'
'Grus belongs to Gruidae'
'Grus excelsa is recombined as Balearica excelsa'
'Grus hordwelliensis is recombined as Palaeogrus hordwelliensis'
'Grus miocenicus belongs to Grus' according to Grigorescu and Kessler 1977
'Grus miocenicus is a subjective synonym of Palaelodus ambiguus'
'Grus pentellici belongs to Grus'
'Grus primigenia belongs to Grus'
'Grus princeps is recombined as Palaeogrus princeps'
'Grus problematica is a subjective synonym of Palaelodus ambiguus'
'Gryzaja belongs to Otitidae'
'Gryzaja odessana belongs to Gryzaja' according to Zubareva 1939
'Gypaetus belongs to Accipitridae'
'Gyps belongs to Accipitridae'
'Gyps melitensis belongs to Gyps'
'Gypsornis belongs to Cariamidae'
'Gypsornis cuvieri belongs to Gypsornis'
'Haliaeetus belongs to Accipitridae'
'Haliaeetus piscator belongs to Haliaeetus'
'Harrisonavis is a subjective synonym of Phoenicopterus'
'Heliadornis belongs to Phaethontidae'
'Heliadornis ashbyi belongs to Heliadornis'
'Heliadornis paratethydicus belongs to Heliadornis' according to Mlíkovský 1997
'Heliadornis paratethydicus belongs to Heliadornis'
'Hieraaetus belongs to Accipitridae'
'Hippolais belongs to Sylviidae'
'Hirundo belongs to Hirundinidae'
'Hirundo apus is recombined as Apus apus'
'Hirundo melba is recombined as Apus melba'
'Hirundo riparia is recombined as Riparia riparia'
'Hirundo rustica belongs to Hirundo'
'Hirundo urbica is recombined as Delichon urbica'
'Hydrornis is a subjective synonym of Colymboides'
'Hydrornis natator is a subjective synonym of Colymboides minutus'
'Ibidopsis belongs to Rallidae'
'Ibidopsis hordwelliensis belongs to Ibidopsis'
'Ibis pagana is recombined as Plegadis paganus'
'Idiornis itardiensis is recombined as Agnopterus itardiensis'
'Idiornis tuberculata is recombined as Agnopterus tuberculatus'
'Intulula belongs to Strigidae'
'Intulula tinnipara belongs to Intulula' according to Mlíkovský 1998
'Intulula tinnipara belongs to Intulula'
'Itardiornis belongs to Messelornithidae'
'Itardiornis hessae belongs to Itardiornis'
'Juncitarsus belongs to Phoenicopteridae'
'Juncitarsus merkeli belongs to Juncitarsus'
'Jynx belongs to Picidae'
'Jynx torquilla belongs to Jynx'
'Lagopus belongs to Phasianidae'
'Lagopus atavus belongs to Lagopus' according to Jánossy 1976
'Lagopus atavus is a subjective synonym of Lagopus lagopus'
'Lagopus balcanicus is a subjective synonym of Tetrao tetrix'
'Lagopus balcanicus belongs to Lagopus' according to Boev 1995
'Lagopus medius belongs to Lagopus' according to Woldřich 1893
'Lagopus medius is a subjective synonym of Lagopus lagopus'
'Lagopus voinstvenskii belongs to Lagopus' according to Ganea 1972
'Lagopus voinstvenskii is a subjective synonym of Bonasa bonasia'
'Lanius belongs to Laniidae'
'Lanius collurio belongs to Lanius' according to Linnaeus 1758
'Lanius collurio belongs to Lanius'
'Lanius garrulus is recombined as Bombycilla garrulus'
'Lanius minor belongs to Lanius' according to Gmelin 1788
'Lanius minor belongs to Lanius'
'Larus desnoyersii is an invalid subgroup of Laridae'
'Larus raemdonckii is recombined as Puffinus raemdonckii'
'Latipons belongs to Rallidae'
'Latipons gardneri belongs to Latipons'
'Latipons robinsoni belongs to Latipons' according to Harrison and Walker 1979
'Latipons robinsoni belongs to Latipons'
'Laurillardia belongs to Laurillardiidae'
'Laurillardia longirostris belongs to Laurillardia'
'Laurillardiidae belongs to Bucerotiformes'
'Leptoptilos belongs to Ciconiidae'
'Leptoptilos pliocenicus belongs to Leptoptilos'
'Lestris pomarinus is recombined as Stercorarius pomarinus'
'Limnatornis is a subjective synonym of Urocolius'
'Limnatornis paludicola is a subjective synonym of Urocolius archiaci'
'Lithornis belongs to Tinamidae'
'Lithornis emuinus is recombined as Argillornis emuinus'
'Lithornis vulturinus belongs to Lithornis'
'Locustella belongs to Sylviidae'
'Loxia belongs to Fringillidae'
'Loxia chloris is recombined as Carduelis chloris'
'Loxia coccothraustes is recombined as Coccothraustes coccothraustes'
'Loxia curvirostra belongs to Loxia'
'Loxia patevi belongs to Loxia' according to Boev 1999
'Loxia patevi belongs to Loxia'
'Loxia pyrrhula is recombined as Pyrrhula pyrrhula'
'Ludiortyx belongs to Rallidae'
'Lullula belongs to Alaudidae'
'Luscinia belongs to Turdidae'
'Lyrurus partium belongs to Lyrurus' according to Kretzoi 1962
'Lyrurus partium is a subjective synonym of Tetrao tetrix'
'Macrodontopteryx belongs to Pelagornithidae'
'Macrodontopteryx oweni belongs to Macrodontopteryx'
'Masillacolius belongs to Zygodactylidae'
'Masillacolius brevidactylus belongs to Masillacolius'
'Masillapodargus belongs to Podargidae'
'Masillapodargus longipes belongs to Masillapodargus'
'Megapaloelodus is a subjective synonym of Palaelodus'
'Melanocorypha belongs to Alaudidae'
'Merops belongs to Meropidae'
'Mesogiornis belongs to Aegialornithidae'
'Messelastur belongs to Zygodactylidae'
'Messelastur gratulator belongs to Messelastur'
'Messelirrisor belongs to Laurillardiidae'
'Messelirrisor grandis belongs to Messelirrisor'
'Messelirrisor halcyrostris belongs to Messelirrisor' according to Mayr 1998
'Messelirrisor halcyrostris belongs to Messelirrisor'
'Messelirrisor parvus belongs to Messelirrisor' according to Mayr 1998
'Messelirrisor parvus belongs to Messelirrisor'
'Messelirrisoridae is a subjective synonym of Laurillardiidae'
'Messelornis belongs to Messelornithidae'
'Messelornis cristata belongs to Messelornis'
'Milvus belongs to Accipitridae'
'Milvus brachypterus belongs to Milvus' according to Jánossy 1977
'Milvus brachypterus is an invalid subgroup of Accipitridae'
'Milvus deperditus is an invalid subgroup of Accipitridae'
'Milvus incertus is an invalid subgroup of Accipitridae'
'Miobaptus is a subjective synonym of Podiceps'
'Miobaptus walteri belongs to Miobaptus' according to Svec 1982
'Miobaptus walteri is recombined as Podiceps walteri'
'Miocorax is replaced by Miocorvus'
'Miocorvus belongs to Corvidae'
'Miogallus belongs to Phasianidae'
'Mioglaux belongs to Strigidae'
'Mioglaux debellatrix belongs to Mioglaux' according to Mlíkovský 1998
'Mioglaux debellatrix belongs to Mioglaux'
'Miootis belongs to Otididae'
'Miootis compactus belongs to Miootis' according to Umans'ka 1979
'Miopelecanus belongs to Pelecanidae'
'Miorallus belongs to Rallidae'
'Monticola belongs to Turdidae'
'Montirallus belongs to Rallidae'
'Morus belongs to Sulidae'
'Morus olsoni belongs to Morus' according to Grigorescu and Kessler 1988
'Morus olsoni belongs to Morus'
'Motacilla belongs to Motacillidae'
'Motacilla alba belongs to Motacilla'
'Motacilla atricapilla is recombined as Sylvia atricapilla'
'Motacilla atricapilla belongs to Motacilla' according to Linnaeus 1758
'Motacilla cervina belongs to Motacilla' according to Pallas 1811
'Motacilla cervina is recombined as Anthus cervinus'
'Motacilla hispanica is recombined as Oenanthe hispanica'
'Motacilla hypoleuca is recombined as Ficedula hypoleuca'
'Motacilla modularis is recombined as Prunella modularis'
'Motacilla ochruros is recombined as Phoenicurus ochruros'
'Motacilla oenanthe is recombined as Oenanthe oenanthe'
'Motacilla rubecula is recombined as Erithacus rubecula'
'Motacilla sibilatrix belongs to Motacilla' according to Bechstein 1793
'Motacilla sibilatrix is recombined as Phylloscopus sibilatrix'
'Motacilla striata is recombined as Muscicapa striata'
'Motacilla svecica belongs to Motacilla' according to Linnaeus 1758
'Motacilla svecica is recombined as Luscinia svecica'
'Motacilla torquata is recombined as Saxicola torquata'
'Motacilla troglodytes is recombined as Troglodytes troglodytes'
'Muscicapa belongs to Turdidae'
'Musophaga meini belongs to Musophaga' according to Ballmann 1969
'Musophaga meini is recombined as Veflintornis meini'
'Necrobyas belongs to Strigidae'
'Necrobyas harpax belongs to Necrobyas'
'Necrobyas medius is recombined as Prosybris medius'
'Nectornis belongs to Phalacrocoracidae'
'Neptuniavis belongs to Procellariidae'
'Neptuniavis minor belongs to Neptuniavis'
'Neptuniavis miranda belongs to Neptuniavis'
'Nucifraga belongs to Corvidae'
'Numenius gypsorum is recombined as Montirallus gypsorum'
'Oblitavis insolitus belongs to Oblitavis' according to Mourer-Chauviré 1983
'Oblitavis insolitus is recombined as Propelargus insolitus'
'Odontopteryx belongs to Pelagornithidae'
'Odontopteryx longirostris is recombined as Pseudodontornis longirostris'
'Odontopteryx toliapica belongs to Odontopteryx'
'Oenanthe belongs to Turdidae'
'Oligocolius belongs to Coliidae'
'Oligocolius brevitarsus belongs to Oligocolius'
'Oligostrix rupelensis belongs to Oligostrix' according to Fischer 1982
'Oligostrix rupelensis is an invalid subgroup of Strigidae'
'Omorhamphus is a subjective synonym of Gastornis'
'Orthocnemus gallicus is recombined as Agnopterus gallicus'
'Orthocnemus minor is recombined as Agnopterus minor'
'Otis belongs to Otitidae'
'Otis affinis belongs to Otis'
'Otis bessarabensis belongs to Otis' according to Kessler and Gál 1996
'Otis bessarabensis belongs to Otis'
'Otis brevipes is a subjective synonym of Otis tarda'
'Otis lambrechti belongs to Otis' according to Kretzoi 1941
'Otis lambrechti is a subjective synonym of Otis tarda'
'Otis paratetrax belongs to Otis' according to Bocheński and Kuročkin 1987
'Otis paratetrax is a subjective synonym of Otis tetrax'
'Otis tarda belongs to Otis'
'Otis tetrax belongs to Otis'
'Otus belongs to Strigidae'
'Otus henrici belongs to Otus' according to Milne-Edwards 1892
'Otus henrici is an invalid subgroup of Strigidae'
'Otus wintershofensis is recombined as Strix wintershofensis'
'Palaelodus belongs to Phoenicopteridae'
'Palaelodus ambiguus belongs to Palaelodus'
'Palaelodus crassipes is a subjective synonym of Palaelodus ambiguus'
'Palaelodus goliath belongs to Palaelodus'
'Palaelodus gracilipes is a subjective synonym of Palaelodus ambiguus'
'Palaelodus minutus is a subjective synonym of Palaelodus ambiguus'
'Palaeoaramides belongs to Rallidae'
'Palaeobyas belongs to Sophiornithidae'
'Palaeobyas cracrafti belongs to Palaeobyas' according to Mourer-Chauviré 1987
'Palaeobyas cracrafti belongs to Palaeobyas'
'Palaeocircus belongs to Accipitridae'
'Palaeocircus cuvieri belongs to Palaeocircus'
'Palaeocryptonyx depereti is recombined as Quercymegapodius depereti'
'Palaeocryptonyx donnezani is recombined as Alectoris donnezani'
'Palaeocryptonyx gaillardi is a subjective synonym of Coturnix longipes'
'Palaeocryptonyx hungaricus is an invalid subgroup of Phasianidae'
'Palaeoglaux belongs to Strigidae'
'Palaeoglaux artophoron belongs to Palaeoglaux'
'Palaeoglaux perrierensis belongs to Palaeoglaux'
'Palaeogrus belongs to Gruidae'
'Palaeohierax belongs to Accipitridae'
'Palaeoperdix is a subjective synonym of Coturnix'
'Palaeoperdix longipes is recombined as Coturnix longipes'
'Palaeoperdix prisca is recombined as Alectoris prisca'
'Palaeopicus is a subjective synonym of Urocolius'
'Palaeortyx brevipes is a subjective synonym of Coturnix gallica'
'Palaeortyx caluxyensis is recombined as Archaeotrogon caluxyensis'
'Palaeortyx depereti is a subjective synonym of Coturnix gallica'
'Palaeortyx edwardsi is recombined as Alectoris edwardsi'
'Palaeortyx gaillardi is a subjective synonym of Paraortyx lorteti'
'Palaeortyx gallica is recombined as Coturnix gallica'
'Palaeortyx grivensis is a subjective synonym of Coturnix gallica'
'Palaeortyx joleaudi is a subjective synonym of Coturnix gallica'
'Palaeortyx major is recombined as Pirortyx major'
'Palaeortyx maxima is a subjective synonym of Miogallus altus'
'Palaeortyx miocaena is a subjective synonym of Alectoris edwardsi'
'Palaeortyx ocyptera is a subjective synonym of Coturnix gallica'
'Palaeortyx phasianoides grivensis belongs to Palaeortyx phasianoides' according to Ballman 1969
'Palaeortyx phasianoides grivensis is a subjective synonym of Coturnix longipes'
'Palaeostruthio is a subjective synonym of Struthio'
'Palaeostruthio sternatus belongs to Palaeostruthio' according to Burčak-Abramovič 1953
'Palaeostruthio sternatus is a subjective synonym of Struthio chersonensis'
'Palaeotididae belongs to Struthioniformes'
'Palaeotis belongs to Palaeotididae'
'Palaeotis weigelti belongs to Palaeotis'
'Palaeotodus belongs to Todidae'
'Palaeotodus escampsensis belongs to Palaeotodus' according to Mourer-Chauviré 1985
'Palaeotodus escampsensis belongs to Palaeotodus'
'Palaeotodus itardiensis belongs to Palaeotodus'
'Palaeotyto belongs to Sophiornithidae'
'Palaeotyto cadurcensis belongs to Palaeotyto'
'Paraortygoides messelensis is an invalid subgroup of Phasianidae'
'Paraortygometra belongs to Rallidae'
'Paraortyx belongs to Phasianidae'
'Paraortyx brancoi belongs to Paraortyx'
'Paraortyx lorteti belongs to Paraortyx'
'Paraprefica belongs to Caprimulgidae'
'Paraprefica kelleri belongs to Paraprefica'
'Paraprefica major belongs to Paraprefica'
'Pararallus is a subjective synonym of Palaeoaramides'
'Parasula is a subjective synonym of Empheresula'
'Parus belongs to Paridae'
'Parus ater belongs to Parus'
'Parus caeruleus belongs to Parus' according to Linnaeus 1758
'Parus caeruleus belongs to Parus'
'Parus caudatus belongs to Parus' according to Linnaeus 1758
'Parus caudatus is recombined as Aegithalos caudatus'
'Parus cristatus belongs to Parus' according to Linnaeus 1758
'Parus cristatus belongs to Parus'
'Parus major belongs to Parus'
'Parvirallus belongs to Rallidae'
'Parvirallus bassetti belongs to Parvirallus' according to Harrison 1984
'Parvirallus bassetti belongs to Parvirallus'
'Parvirallus gassoni belongs to Parvirallus' according to Harrison 1984
'Parvirallus gassoni belongs to Parvirallus'
'Parvirallus gracilis belongs to Parvirallus'
'Parvirallus medius belongs to Parvirallus' according to Harrison 1984
'Parvirallus medius belongs to Parvirallus'
'Passer belongs to Passeridae'
'Pavo belongs to Phasianidae'
'Pavo moldavicus belongs to Pavo' according to Bocheński and Kuročkin 1987
'Pavo moldavicus is a subjective synonym of Pavo bravardi'
'Pelagornis belongs to Pelagornithidae'
'Pelagornis miocaenus belongs to Pelagornis'
'Pelargopappus belongs to Accipitridae'
'Pelargopsis magnus is recombined as Pelargopappus magnus'
'Pelecanus belongs to Pelecanidae'
'Pelecanus aristotelis is recombined as Phalacrocorax aristotelis'
'Pelecanus carbo is recombined as Phalacrocorax carbo'
'Pelecanus fraasi is a subjective synonym of Miopelecanus intermedius'
'Pelecanus gracilis is recombined as Miopelecanus gracilis'
'Pelecanus intermedius is recombined as Miopelecanus intermedius'
'Pelecanus odessanus belongs to Pelecanus'
'Pelophilus radoboyensis is recombined as Merops radoboyensis'
'Percolinus proudlocki belongs to Percolinus' according to Harrison and Walker 1979
'Percolinus proudlocki is recombined as Talantatos proudlocki'
'Percolinus venablesi is recombined as Gypsornis venablesi'
'Perdix belongs to Phasianidae'
'Perdix graeca is recombined as Alectoris graeca'
'Perdix jurcsaki belongs to Perdix' according to Kretzoi 1962
'Perdix jurcsaki is a subjective synonym of Perdix perdix'
'Perdix palaeoperdix is a subjective synonym of Perdix perdix'
'Pernis belongs to Accipitridae'
'Petralca belongs to Alcidae'
'Petralca austriaca belongs to Petralca'
'Petronia belongs to Passeridae'
'Phalacrocorax belongs to Phalacrocoracidae'
'Phalacrocorax ibericum is corrected as Phalacrocorax ibericus and belongs to Phalacrocorax'
'Phalacrocorax lautus belongs to Phalacrocorax'
'Phalacrocorax serdicensis belongs to Phalacrocorax'
'Phasianus belongs to Phasianidae'
'Phasianus altus is recombined as Miogallus altus'
'Phasianus archiaci is recombined as Pavo archiaci'
'Phasianus augustus is a subjective synonym of Miogallus altus'
'Phasianus desnoyersi is a subjective synonym of Miogallus altus'
'Phasianus etuliensis belongs to Phasianus' according to Bocheński and Kuročkin 1987
'Phasianus etuliensis is a subjective synonym of Pavo bravardi'
'Phasianus gallus is recombined as Gallus gallus'
'Phasianus medius is a subjective synonym of Miogallus altus'
'Phirriculus belongs to Phoeniculidae'
'Phirriculus pinicola belongs to Phirriculus'
'Phoenicopterus belongs to Phoenicopteridae'
'Phoenicopterus croizeti belongs to Phoenicopterus'
'Phoeniculidae belongs to Bucerotiformes'
'Phoenicurus belongs to Turdidae'
'Phylloscopus belongs to Sylviidae'
'Pica belongs to Corvidae'
'Picoides belongs to Picidae'
'Picus belongs to Picidae'
'Picus archiaci is recombined as Urocolius archiaci'
'Picus canus belongs to Picus'
'Picus consobrinus is a subjective synonym of Urocolius archiaci'
'Picus major belongs to Picus' according to Linnaeus 1758
'Picus major is recombined as Picoides major'
'Picus medius belongs to Picus' according to Linnaeus 1758
'Picus medius is recombined as Picoides medius'
'Picus peregrinabundus belongs to Picus' according to Umans'ka 1981
'Picus peregrinabundus belongs to Picus'
'Picus viridis belongs to Picus'
'Pinguinus is a subjective synonym of Alca'
'Pirortyx belongs to Phasianidae'
'Platalea belongs to Threskiornithidae'
'Platalea leucorodia belongs to Platalea'
'Plautus is a subjective synonym of Alca'
'Plegadis belongs to Threskiornithidae'
'Pliocarbo is a subjective synonym of Phalacrocorax'
'Pliocarbo longipes is recombined as Phalacrocorax longipes'
'Pliogallus coturnoides belongs to Pliogallus' according to Tugarinov 1940
'Pliogallus coturnoides is a subjective synonym of Alectoris donnezani'
'Pliogallus crassipes is a subjective synonym of Gallus gallus'
'Pliogallus kormosi is a subjective synonym of Gallus gallus'
'Plotornis belongs to Procellariidae'
'Plotornis delfortrii belongs to Plotornis'
'Plotus pannonicus is recombined as Anhinga pannonica'
'Plumumida is a subjective synonym of Rhynchaeites'
'Podiceps belongs to Podicipedidae'
'Podiceps miocenicus belongs to Podiceps' according to Kessler 1984
'Podiceps miocenicus belongs to Podiceps'
'Podiceps nigricollis belongs to Podiceps'
'Pogoniulus belongs to Ramphastidae'
'Polemaetus belongs to Accipitridae'
'Porzana belongs to Rallidae'
'Porzana estramosi belongs to Porzana' according to Jánossy 1979
'Porzana estramosi belongs to Porzana'
'Primapus lacki belongs to Primapus'
'Primocolius belongs to Zygodactylidae'
'Primocolius minor belongs to Primocolius'
'Primocolius sigei belongs to Primocolius'
'Primodroma belongs to Procellariidae'
'Primodroma bournei belongs to Primodroma'
'Primoscens belongs to Zygodactylidae'
'Primoscens minutus belongs to Primoscens'
'Primotrogon belongs to Trogonidae'
'Primotrogon wintersteini belongs to Primotrogon'
'Primozygodactylus belongs to Zygodactylidae'
'Primozygodactylus ballmanni belongs to Primozygodactylus' according to Mayr 1998
'Primozygodactylus ballmanni belongs to Primozygodactylus'
'Primozygodactylus danielsi belongs to Primozygodactylus'
'Primozygodactylus danielsi belongs to Primozygodactylus' according to Mayr 1998
'Primozygodactylus major belongs to Primozygodactylus' according to Mayr 1998
'Primozygodactylus major belongs to Primozygodactylus'
'Proardea belongs to Ardeidae'
'Proardeola belongs to Ardeidae'
'Proardeola walkeri belongs to Proardeola'
'Probalearica is a subjective synonym of Palaelodus'
'Probalearica moldavica is recombined as Grus moldavica'
'Procellaria antiqua is recombined as Puffinus antiquus'
'Procellaria aquitanica is recombined as Puffinus aquitanicus'
'Procellaria diomedea is recombined as Calonectris diomedea'
'Procellariidae belongs to Procellariiformes'
'Procypseloides belongs to Apodidae'
'Propelargus belongs to Cariamidae'
'Propelargus cayluxensis belongs to Propelargus'
'Propelargus edwardsi is recombined as Grallavis edwardsi'
'Prophaethon belongs to Phaethontidae'
'Prophaethon shrubsolei belongs to Prophaethon'
'Prosybris belongs to Strigidae'
'Protornis belongs to Todidae'
'Protornis glarniensis belongs to Protornis' according to Meyer 1844
'Protornis glarniensis belongs to Protornis'
'Prunella belongs to Prunellidae'
'Pseudastur belongs to Zygodactylidae'
'Pseudastur macrocephalus belongs to Pseudastur'
'Pseudodontornis belongs to Pelagornithidae'
'Pseudodontornis longidentata belongs to Pseudodontornis'
'Pseudosula is a subjective synonym of Enkurosula'
'Pseudosula is replaced by Enkurosula' according to Kašin 1977
'Psittacopes belongs to Zygodactylidae'
'Psittacopes lepidus belongs to Psittacopes' according to Mayr and Daniels 1998
'Psittacus lartetianus belongs to Psittacus' according to Milne-Edwards 1872
'Psittacus lartetianus is an invalid subgroup of Psittacidae'
'Psittacus verreauxi is recombined as Archaeopsittacus verreauxi'
'Psophia undulata is recombined as Chlamydotis undulata'
'Puffinus belongs to Procellariidae'
'Puffinus avernensis is recombined as Plotornis avernensis'
'Puffinus holei is corrected as Puffinus holeae and belongs to Puffinus'
'Puffinus nestori belongs to Puffinus'
'Pyrrhocorax belongs to Corvidae'
'Pyrrhula belongs to Fringillidae'
'Quercymegapodius belongs to Megapodiidae'
'Quercypsitta belongs to Zygodactylidae'
'Quercypsitta ivani belongs to Quercypsitta'
'Quercypsitta sudrei belongs to Quercypsitta'
'Quercyrallus belongs to Rallidae'
'Quercyrallus quercy belongs to Quercyrallus'
'Rallicrex belongs to Rallidae'
'Rallicrex kolozsvarensis belongs to Rallicrex'
'Rallicrex polgardiensis belongs to Rallicrex' according to Jánossy 1991
'Rallicrex polgardiensis belongs to Rallicrex'
'Rallus belongs to Rallidae'
'Rallus aquaticus belongs to Rallus'
'Rallus arenarius is recombined as Quercyrallus arenarius'
'Rallus beaumontii is recombined as Palaeoaramides beaumontii'
'Rallus christyi is recombined as Palaeoaramides christyi'
'Rallus crex is recombined as Crex crex'
'Rallus dasypus is a subjective synonym of Coturnix gallica'
'Rallus dispar is a subjective synonym of Palaeoaramides beaumontii'
'Rallus eximius is a subjective synonym of Palaeoaramides christyi'
'Rallus major is recombined as Miorallus major'
'Rallus porzana is recombined as Porzana porzana'
'Rallus porzanoides is recombined as Paraortygometra porzanoides'
'Regulus belongs to Sylviidae'
'Rhynchaeites belongs to Threskiornithidae'
'Rhynchaeites messelensis belongs to Rhynchaeites'
'Riparia belongs to Hirundinidae'
'Sarmatosula belongs to Sulidae'
'Sarmatosula dobrogensis belongs to Sarmatosula'
'Saxicola belongs to Turdidae'
'Scaniacypselus belongs to Apodidae'
'Scaniacypselus wardi belongs to Scaniacypselus'
'Schaubortyx is a subjective synonym of Coturnix'
'Scolopax ghardalamensi belongs to Scolopax' according to Fischer and Stephan 1974
'Scolopax ghardalamensi is a subjective synonym of Coturnix coturnix'
'Selmes belongs to Zygodactylidae'
'Selmes absurdipes belongs to Selmes'
'Serinus belongs to Fringillidae'
'Serudaptus belongs to Zygodactylidae'
'Serudaptus pohli belongs to Serudaptus'
'Sitta belongs to Paridae'
'Sitta europaea belongs to Sitta' according to Linnaeus 1758
'Sitta europaea belongs to Sitta'
'Sophiornis belongs to Sophiornithidae'
'Sophiornis quercynus belongs to Sophiornis'
'Stercorarius belongs to Laridae'
'Sterna belongs to Laridae'
'Streptopelia belongs to Columbidae'
'Strigogyps minor is recombined as Ameghinornis minor'
'Strix belongs to Strigidae'
'Strix alba is recombined as Tyto alba'
'Strix aluco belongs to Strix'
'Strix antiqua is recombined as Prosybris antiqua'
'Strix brevis is recombined as Intulula brevis'
'Strix bubo is recombined as Bubo bubo'
'Strix collongensis is recombined as Alasio collongensis'
'Strix edwardsi belongs to Strix'
'Strix funerea is recombined as Aegolius funerea'
'Strix ignota is an invalid subgroup of Strigidae'
'Strix noctua is recombined as Athene noctua'
'Strix passerina is recombined as Glaucidium passerinum'
'Strix sancti albani is recombined as Tyto sanctialbani'
'Strix scandiaca is recombined as Bubo scandiaca'
'Strix scops is recombined as Otus scops'
'Strix zeylonensis is recombined as Bubo zeylonensis'
'Struthio belongs to Struthionidae'
'Pachystruthio is a subjective synonym of Struthio'
'Struthio (Pachystruthio) belongs to Struthio' according to Kretzoi 1954
'Struthio (Pachystruthio) pannonicus is a subjective synonym of Struthio chersonensis'
'Struthio (Pachystruthio) pannonicus belongs to Struthio (Pachystruthio)' according to Kretzoi 1954
'Struthio brachydactylus is a subjective synonym of Struthio chersonensis'
'Struthio karatheodoris belongs to Struthio'
'Struthio novorossicus is a subjective synonym of Struthio chersonensis'
'Struthio orlovi is a subjective synonym of Struthio chersonensis'
'Struthiolithus is a subjective synonym of Struthio'
'Struthiolithus adzalycensis belongs to Struthiolithus' according to Roščin 1962
'Struthiolithus adzalycensis is a subjective synonym of Struthio chersonensis'
'Struthiolithus alexejevi belongs to Struthiolithus' according to Roščin 1962
'Struthiolithus alexejevi is a subjective synonym of Struthio chersonensis'
'Struthiolithus chersonensis is recombined as Struthio chersonensis'
'Struthionidae belongs to Struthioniformes'
'Sturnus belongs to Sturnidae'
'Sturnus collaris is recombined as Prunella collaris'
'Sturnus vulgaris belongs to Sturnus'
'Sula arvernensis is recombined as Parasula arvernensis' according to Harrison 1975
'Sula arvernensis is recombined as Empheresula arvernensis'
'Sula pygmaea is recombined as Enkurosula pygmaea'
'Surnia belongs to Strigidae'
'Surnia capeki belongs to Surnia' according to Jánossy 1972
'Surnia capeki belongs to Surnia'
'Surnia robusta belongs to Surnia' according to Jánossy 1977
'Surnia robusta belongs to Surnia'
'Sylvia belongs to Sylviidae'
'Sylvia communis belongs to Sylvia'
'Sylvia ignicapilla belongs to Sylvia' according to Temminck 1820
'Sylvia ignicapilla is recombined as Regulus ignicapilla'
'Sylvia palustris belongs to Sylvia' according to Bechstein 1811
'Sylvia palustris is recombined as Acrocephalus palustris'
'Talantatos belongs to Cariamidae'
'Talantatos fossilis belongs to Talantatos'
'Talantatos fossilis belongs to Talantatos' according to Giebel 1847
'Tantalus milneedwardsii is a subjective synonym of Miogallus altus'
'Taoperdix belongs to Cracidae'
'Taoperdix keltica is a subjective synonym of Coturnix gallica'
'Taoperdix miocaena belongs to Taoperdix'
'Tenuicrus is replaced by Kashinia'
'Tenuicrus magnum is recombined as Kashinia magna'
'Tertiariaporphyrula is a subjective synonym of Palaeoaramides'
'Tertiariaporphyrula lungi is recombined as Palaeoaramides lungi'
'Tetrao belongs to Phasianidae'
'Tetrao bonasia is recombined as Bonasa bonasia'
'Tetrao conjugens belongs to Tetrao' according to Jánossy 1974
'Tetrao conjugens is a subjective synonym of Tetrao urogallus'
'Tetrao coturnix is recombined as Coturnix coturnix'
'Tetrao lagopus is recombined as Lagopus lagopus'
'Tetrao macropus belongs to Tetrao' according to Jánossy 1967
'Tetrao macropus is a subjective synonym of Tetrao urogallus'
'Tetrao mutus is recombined as Lagopus mutus'
'Tetrao perdix is recombined as Perdix perdix'
'Tetrao pessieti is recombined as Taoperdix pessieti'
'Tetrao praeurogallus belongs to Tetrao' according to Jánossy 1969
'Tetrao praeurogallus is a subjective synonym of Tetrao urogallus'
'Tetrao rhodopensis belongs to Tetrao' according to Boev 1998
'Tetrao rhodopensis is a subjective synonym of Tetrao urogallus'
'Tetrao tetrix belongs to Tetrao'
'Tetrao urogallus belongs to Tetrao'
'Thiornis is a subjective synonym of Podiceps'
'Thiornis sociata is recombined as Podiceps sociatus'
'Tinamidae belongs to Tinamiformes'
'Trachyphonus belongs to Ramphastidae'
'Tringa hoffmanni is recombined as Ludiortyx hoffmanni'
'Troglodytes belongs to Troglodytidae'
'Trogon gallicus is recombined as Apaloderma gallica'
'Turdus belongs to Turdidae'
'Turdus arundinaceus belongs to Turdus' according to Linnaeus 1758
'Turdus arundinaceus is recombined as Acrocephalus arundinaceus'
'Turdus iliacus belongs to Turdus'
'Turdus merula belongs to Turdus'
'Turdus philomelos belongs to Turdus'
'Turdus pilaris belongs to Turdus'
'Turdus solitarius is recombined as Monticola solitarius'
'Turdus viscivorus belongs to Turdus'
'Tyto balearica belongs to Tyto'
'Tyto gigantea belongs to Tyto' according to Ballmann 1973
'Tyto gigantea belongs to Tyto'
'Upupa belongs to Upupidae'
'Upupa epops belongs to Upupa'
'Upupa eremita is recombined as Geronticus eremita'
'Upupa pyrrhocorax is recombined as Pyrrhocorax pyrrhocorax'
'Upupidae belongs to Bucerotiformes'
'Uria belongs to Alcidae'
'Uria ausonia is an invalid subgroup of Alcidae'
'Urmiornis is a subjective synonym of Amphipelargus'
'Urmiornis ukrainus belongs to Urmiornis' according to Kuročkin 1981
'Urmiornis ukrainus is recombined as Amphipelargus ukrainus'
'Veflintornis belongs to Cuculidae'
'Ventivorus belongs to Caprimulgidae'
'Ventivorus ragei belongs to Ventivorus'
'Vultur barbatus is recombined as Gypaetus barbatus'
'Vultur monachus is recombined as Aegypius monachus'
'Xenopsitta belongs to Psittacidae'
'Xenopsitta fejfari belongs to Xenopsitta' according to Mlíkovský 1998
'Xenopsitta fejfari belongs to Xenopsitta'
'Zygodactylus belongs to Zygodactylidae'
'Zygodactylus grivensis belongs to Zygodactylus'
'Zygodactylus ignotus belongs to Zygodactylus'