Opinions from A. Wetmore 1962
- 'Accipiter belongs to Accipitridae'
- 'Accipiter striatus belongs to Accipiter' according to Vieillot 1897
- 'Accipiter striatus belongs to Accipiter'
- 'Aestrelata cahow belongs to Aestrelata' according to Nichols and Mowbray 1916
- 'Aestrelata cahow is recombined as Pterodroma cahow'
- 'Agelaius belongs to Icteridae'
- 'Alcedo alcyon is recombined as Megaceryle alcyon'
- 'Anas belongs to Anatidae'
- 'Anas albeola is recombined as Bucephala albeola'
- 'Anas discors belongs to Anas'
- 'Anas jamaicensis belongs to Anas' according to Gmelin 1789
- 'Anas jamaicensis is recombined as Oxyura jamaicensis'
- 'Ardea americana is recombined as Grus americana'
- 'Bartramia belongs to Scolopacidae'
- 'Bonasa belongs to Tetraonidae'
- 'Bucephala belongs to Anatidae'
- 'Buteo belongs to Accipitridae'
- 'Calidris minutilla belongs to Calidris' according to Viellot 1816
- 'Calidris minutilla is recombined as Erolia minutilla'
- 'Canachites belongs to Tetraonidae'
- 'Catoptrophorus belongs to Scolopacidae'
- 'Centurus belongs to Picidae'
- 'Charadrius belongs to Charadriidae'
- 'Charadrius vociferus belongs to Charadrius'
- 'Colinus belongs to Phasianidae'
- 'Contopus belongs to Tyrannidae'
- 'Corvus canadensis belongs to Corvus' according to Linnaeus 1766
- 'Corvus canadensis is recombined as Perisoreus canadensis'
- 'Corvus cristatus is recombined as Cyanocitta cristata'
- 'Corvus pica is recombined as Pica pica'
- 'Cuculus auratus is recombined as Colaptes auratus'
- 'Cyanocitta belongs to Corvidae'
- 'Dendrocopos belongs to Picidae'
- 'Ectopistes belongs to Columbidae'
- 'Erolia belongs to Scolopacidae'
- 'Falco jamaicensis belongs to Falco' according to Gmelin 1788
- 'Falco jamaicensis is recombined as Buteo jamaicensis'
- 'Falco lineatus is recombined as Buteo lineatus'
- 'Falco lineatus belongs to Falco' according to Gmelin 1788
- 'Fringilla albicollis belongs to Fringilla' according to Gmelin 1789
- 'Fringilla albicollis is recombined as Zonotrichia albicollis'
- 'Fringilla iliaca belongs to Fringilla' according to Merrem 1786
- 'Fringilla iliaca is recombined as Passerella iliaca'
- 'Fringilla melodia is recombined as Melospiza melodia'
- 'Fringilla melodia belongs to Fringilla' according to Wilson 1810
- 'Grus belongs to Gruidae'
- 'Hirundinidae belongs to Aves'
- 'Hirundo pyrrhonota belongs to Hirundo' according to Vieillot 1816
- 'Hirundo pyrrhonota is recombined as Petrochelidon pyrrhonota'
- 'Hylocichla belongs to Turdidae'
- 'Junco belongs to Fringillidae'
- 'Megaceryle belongs to Alcedinidae'
- 'Melanerpes belongs to Picidae'
- 'Meleagris belongs to Meleagridae'
- 'Meleagris gallopavo belongs to Meleagris'
- 'Melospiza belongs to Fringillidae'
- 'Mimidae belongs to Aves'
- 'Molothrus belongs to Icteridae'
- 'Muscicapa phoebe belongs to Muscicapa' according to Latham 1790
- 'Muscicapa phoebe is recombined as Sayornis phoebe'
- 'Muscicapa virens is recombined as Contopus virens'
- 'Muscicapa virens belongs to Muscicapa' according to Linnaeus 1766
- 'Oriolus ater belongs to Oriolus' according to Boddaert 1783
- 'Oriolus ater is recombined as Molothrus ater'
- 'Oriolus phoeniceus belongs to Oriolus' according to Linnaeus 1766
- 'Oriolus phoeniceus is recombined as Agelaius phoeniceus'
- 'Oxyura belongs to Anatidae'
- 'Passerella belongs to Fringillidae'
- 'Perisoreus belongs to Corvidae'
- 'Petrochelidon belongs to Hirundinidae'
- 'Phaethon belongs to Phaethontidae'
- 'Phaethon lepturus belongs to Phaethon' according to Daudin 1802
- 'Phaethon lepturus belongs to Phaethon'
- 'Philohela belongs to Scolopacidae'
- 'Pica belongs to Corvidae'
- 'Picus carolinus is recombined as Centurus carolinus'
- 'Picus erythrocephalus is recombined as Melanerpes erythrocephalus'
- 'Picus pubescens belongs to Picus' according to Linnaeus 1766
- 'Picus pubescens is recombined as Dendrocopos pubescens'
- 'Plegadornis antecessor belongs to Plegadornis'
- 'Pterodroma belongs to Procellariidae'
- 'Puffinus belongs to Procellariidae'
- 'Puffinus lherminieri belongs to Puffinus'
- 'Puffinus mcgalli belongs to Puffinus' according to Shufeldt 1916
- 'Puffinus mcgalli belongs to Puffinus'
- 'Sayornis belongs to Tyrannidae'
- 'Scolopax minor belongs to Scolopax' according to Gmelin 1789
- 'Scolopax minor is recombined as Philohela minor'
- 'Scolopax semipalmatus belongs to Scolopax' according to Gmelin 1789
- 'Scolopax semipalmatus is recombined as Catoptrophorus semipalmatus'
- 'Sitta belongs to Sittidae'
- 'Sitta canadensis belongs to Sitta' according to Linnaeus 1766
- 'Sitta canadensis belongs to Sitta'
- 'Sparvius platypterus belongs to Sparvius' according to Vieillot 1823
- 'Sparvius platypterus is recombined as Buteo platypterus'
- 'Tetrao canadensis is recombined as Canachites canadensis'
- 'Tetrao phasianellus is recombined as Pedioecetes phasianellus'
- 'Tetrao umbellus belongs to Tetrao' according to Linnaeus 1766
- 'Tetrao umbellus is recombined as Bonasa umbellus'
- 'Tetrao virginianus is recombined as Colinus virginianus'
- 'Tringa longicauda belongs to Tringa' according to Bechstein 1812
- 'Tringa longicauda is recombined as Bartramia longicauda'
- 'Turdidae belongs to Aves'
- 'Turdus belongs to Turdidae'
- 'Turdus migratorius belongs to Turdus'
- 'Turdus rufus is recombined as Toxostoma rufum'
- 'Zonotrichia belongs to Fringillidae'