Gamgam

An mga gamgam (Aves) iyo idtong mga balukagon, duwang-bitisan asin naghihilomlom-sugok na mga hayop; sinda napipisan sa inaapod na mga vertebrates. An mga ini iyo an may dakol na sarì na nabubuhay, mala ta tinatayang sinda nagbibilang sampulong ribo. An mga gamgam nasasakop kan subklaseng Neornithes, nabubuhay warak nanggad sa kinaban asin may tamanyong napoon sa sadit-sadit na nasukol 5 sentimetro (2 pulgada) sana arog kan inaapod na Bee Hummingbird abot sa dakulang gamgam na inaapod Ostrich nagsusukol na 2.75 metro (9 na pye). Tinutubod na an mga gamgam nagbutwa sa panahon kan theropod dinosaurs kan periodong Jurassic, mga 150 milyon na taon nakaagi.

Palaeognathae

Struthionimorphae

Struthioniformes (ostriches)^[1]

Notopalaeognathae

Rheimorphae

Rheiformes (rheas)

Novaeratitae

Casuariiformes (cassowaries & emus)

	Apterygiformes (kiwi)

	†Aepyornithiformes (elephant birds)

Tinamimorphae

†Dinornithiformes (moas)

	†Lithornithiformes (false tinamous)

	Tinamiformes (tinamu)

Neognathae

Galloanseres

Gallomorphae

Galliformes (landfowl)

Odontoanserae

†Odontopterygiformes

Anserimorphae

	†Vegaviiformes^[2]

	†Gastornithiformes (Gastornis)

Anseriformes (waterfowl)

Neoaves

Columbea

Mirandornithes

	Phoenicopteriformes (flamingoes)

	Podicipediformes (grebes)

Columbimorphae

	Mesitornithiformes (mesites)

	Pterocliformes (sandgrouse)

Columbiformes (pigeons)

Passerea

Otidae

Otidimorphae

Cuculiformes (cuckoos)

	Otidiformes (bustards)

	Musophagiformes (turacos)

Cypselomorphae

Caprimulgiformes (nightjars)

Nyctibiiformes (oilbirds & potoos)

Podargiformes (frogmouths)

	Aegotheliformes (owlet-nightjars)

	Apodiformes (hummingbirds & swifts)

Gruae

Opisthocomiformes (hoatzin)

Cursorimorphae

	Gruiformes (rails and cranes)

	Charadriiformes (shorebirds)

Ardeae

Phaethontimorphae

	Eurypygiformes (sunbittern, kagu)

	Phaethontiformes (tropicbirds)

Aequornithes

Gaviiformes (loons)

Austrodyptornithes

	Procellariiformes (albatross and petrels)

	Sphenisciformes (penguins)

Ciconiiformes (storks)

	Suliformes (boobies, cormorants, etc.)

	Pelecaniformes (pelicans, herons & egrets)

Telluraves

Afroaves

Accipitrimorphae

	Cathartiformes (condors and New World vultures)

	Accipitriformes (hawks, eagles, vultures, etc.)

Strigiformes (owls)

Coraciimorphae

Coliiformes (mousebirds)

Leptosomiformes (cuckoo roller)

Trogoniformes (trogons)

Bucerotiformes (hornbills, hoopoe and wood hoopoes)

	Coraciiformes (kingfishers etc.)

	Piciformes (woodpeckers etc.)

Plantilya:Clade label

Australaves

Cariamiformes (seriemas)

Eufalconimorphae

Falconiformes (falcons)

Psittacopasserae

	Psittaciformes (parrots)

	Passeriformes (songbirds and kin)

"

↑ Boyd, John (2007). "NEORNITHES: 46 Orders" (PDF). John Boyd's website. Retrieved 30 December 2017. Plantilya:Unreliable source
↑ Worthy, T.H.; Degrange, F.J.; Handley, W.D.; Lee, M.S.Y. (2017). "The evolution of giant flightless birds and novel phylogenetic relationships for extinct fowl (Aves, Galloanseres)". Royal Society Open Science 11 (10): 170975. doi:10.1098/rsos.170975. PMID 29134094. Bibcode: 2017RSOS....470975W.

[Boyd-1] Boyd, John (2007). "NEORNITHES: 46 Orders" (PDF). John Boyd's website. Retrieved 30 December 2017. Plantilya:Unreliable source

[worthyetal2017-2] Worthy, T.H.; Degrange, F.J.; Handley, W.D.; Lee, M.S.Y. (2017). "The evolution of giant flightless birds and novel phylogenetic relationships for extinct fowl (Aves, Galloanseres)". Royal Society Open Science 11 (10): 170975. doi:10.1098/rsos.170975. PMID 29134094. Bibcode: 2017RSOS....470975W.

[1]

[2]