Opinions from D. W. Steadman et al. 2003
- 'Accipiter striatus belongs to Accipiter'
- 'Alcedo torquata is recombined as Ceryle torquata'
- 'Anas autumnalis is recombined as Dendrocygna autumnalis'
- 'Anas moschata is recombined as Cairina moschata'
- 'Ardea alba belongs to Ardea'
- 'Ardea violacea is recombined as Nyctanassa violacea'
- 'Ardea virescens is recombined as Butorides virescens'
- 'Calidris minutilla belongs to Calidris'
- 'Chamaepelia inca is recombined as Scardafella inca'
- 'Charadrius mexicanus is recombined as Himantopus mexicanus'
- 'Charadrius semipalmatus belongs to Charadrius'
- 'Coccyzus erythropyga is recombined as Dromococcyx erythropygus'
- 'Columba macroura is recombined as Zenaida macroura'
- 'Columba montana is recombined as Geotrygon montana'
- 'Colymbus dominicus is recombined as Tachybaptus dominicus'
- 'Colymbus podiceps is recombined as Podilymbus podiceps'
- 'Corvus mexicanus is recombined as Quiscalus mexicanus'
- 'Crotophaga sulcirostris belongs to Crotophaga'
- 'Falco haliaetus is recombined as Pandion haliaetus'
- 'Falco magnirostris is recombined as Buteo magnirostris'
- 'Falco plancus is recombined as Polyborus plancus'
- 'Fulica americana belongs to Fulica'
- 'Fulica chloropus is recombined as Gallinula chloropus'
- 'Fuligula affinis is recombined as Aythya affinis'
- 'Leptotila verreauxi belongs to Leptotila'
- 'Myiodynastes luteiventris belongs to Myiodynastes'
- 'Ortyx guttata is recombined as Odontophorus guttatus'
- 'Ortyx ocellatus is recombined as Cyrtonyx ocellatus'
- 'Pachyrhynchus aglaiae is recombined as Pachyramphus aglaiae'
- 'Pelecanus occidentalis belongs to Pelecanus'
- 'Peristera pretiosa is recombined as Claravis pretiosa'
- 'Procellaria brasiliana is recombined as Phalacrocorax brasilianus'
- 'Psittacus albifrons is recombined as Amazona albifrons'
- 'Psittacus canicularis is recombined as Aratinga canicularis'
- 'Psittacus militaris is recombined as Ara militaris'
- 'Pteroglossus prasinus is recombined as Aulacorhynchus prasinus'
- 'Scolopax fedoa is recombined as Limosa fedoa'
- 'Scolopax phaeopus is recombined as Numenius phaeopus'
- 'Scolopax semipalmatus is recombined as Catoptrophorus semipalmatus'
- 'Sterna sandvicensis belongs to Sterna'
- 'Strix alba is recombined as Tyto alba'
- 'Tetrao virginianus is recombined as Colinus virginianus'
- 'Tigrisoma mexicanum belongs to Tigrisoma'
- 'Vultur atratus is recombined as Coragyps atratus'
- 'Vultur aura is recombined as Cathartes aura'
- 'Vultur harpyja is recombined as Harpia harpyja'