Orden y Familia
Sphenisciformes
- SPHENISCIDAE (Pingünos - Penguins)
Rheinformes
- RHEIDAE (Ñandúes, Choiques - Rheas)
Tinamiformes
- TINAMIDAE (Inambúes, Martinetas, "Perdices" - Tinamous)
Podicipediformes
- PODICIPEDIDAE (Macáes, Zambullidores - Grebes)
Procellariiformes
- DIOMEDEIDAE (Albatros - Albatrosses)
- PROCELLARIIDAE (Petreles, Pardelas, Priones - Petrels, Shearwaters)
Pelecaniformes
- SULIDAE (Piqueros - Boobies)
- PHALACROCORACIDAE (Cormoranes, Biguá - Cormorants)
- ANHINGIDAE (Aninga, Biguá vívora - Darters)
- FREGATIDAE (Fragatas - Frigatebirds)
Ardeiformes
- ARDEIDAE (Garzas, Mirasoles - Herons)
- CICONIIDAE (Cigüeñas - Storks)
- THRESKIORNITHIDAE (Bandurrias, Cuervillos, Espátula - Ibises, Spoonbills)
Phoenicopteriformes
- PHOENICOPTERIDAE (Flamencos, Parinas - Flamingos)
Anseriformes
- ANHIMIDAE (Chajáes - Screamers)
- ANATIDAE (Patos, Cisnes, Cauquenes, Avutardas - Ducks, Swans, Gooses)
Falconiformes
- CATHARTIDAE (Jotes, Cóndores - American Vultures)
- ACCIPITRIDAE (Gavilanes, Águilas, Aguiluchos - Eagles, Hawks, Kites)
- FALCONIDAE (Halcones, Caranchos, Chimango - Falcons, Caracaras)
Galliformes
- CRACIDAE (Pava de Monte - Guans)
- PHASIANIDAE (Codornices, Urúes - Quails)
Gruiformes
- ARAMIDAE (Carau - Limpkin)
- RALLIDAE (Gallinetas, Gallaretas, Pollas, Burritos - Rails, Crakes, Coots)
- CARIAMIDAE (Chuñas - Seriemas)
Charadriiformes
- JACANIDAE (Gallito de Agua - Jacanas)
- ROSTRATULIDAE (Aguateros - Paintedsnipes)
- HAEMATOPODIDAE (Ostreros - Oystercatchers)
- CHARADRIIDAE (Chorlos, Chorlitos - Plovers, Lapwings)
- SCOLOPACIDAE (Playeros, Becasas, Pitotois - Sandpipers Sinipes)
- RECURVIROSTRIDAE (Teros Reales - Stilts)
- PHALAROPODIDAE (Falaropos - Phalaropes)
- THINOCORIDAE (Agachonas - Seedsnipes)
- CHIONIDIDAE (Paloma Antartica - Sheathbills)
- STERCORARIIDAE (Escúas, Salteadores - Skuas. Jaegers)
- LARIDAE (Gaviotas - Gulls)
- STERNIDAE (Gaviotines - Terns)
- RYNCHOPIDAE (Rayadores - Skimmers)
Columbiformes
- COLUMBIDAE (Palomas, Torcazas - Pigeons, Doves)
Psittaciformes
- PSITTACIDAE (Loros, Cotorras, Guacamayos - Parrot, Macaws, Parakeets)
Cuculiforme
- CUCULIDAE (Pirinchos, Anós, Cuclillos - Cuckoos)
Strigiformes
Caprimulgiformes
- CAPRIMULGIDAE (Atajacaminos - Nightjars, Nighthawks)
Apodiformes
- APODIDAE (Vencejos - Swifts)
Trochiliformes
- TROCHILIDAE (Picaflores, Colibríes - Hummingbirds)
Trogoniformes
- TROGONIDAE (Surucuáes - Trogons)
Coraciiformes
- ALCEDINIDAE (Martín Pescador - Kingfishers)
Piciformes
- RAMPHASTIDAE (Tucanes, Arasaríes - Toucans)
- PICIDAE (Carpinteros - Wood-peckers)
