Anseriformes

Apodiformes

apterygiformes

Bucerotiformes

Casuariiformes

Ciconiiformes

Coliiformes

Columbiformes

Cuculiformes

Eurypygiformes

Falconiformes

Galliformes

Gaviiformes

Gruiformes

Leptosomiformes

Mesitornithiformes

Musophagiformes

Otidiformes

Passeriformes

Pelecaniformes

Phaethontiformes

Phoenicopteriformes

Piciformes

Pigeoniformes

Podicipediformes

Procellariiformes

Psittaciformes

Pterocliformes

Rheiformes

Sphenisciformes

Strigiformes

Struthioniformes

Suliformes

Tinamiformes

Trogoniformes

Turniciformes

Upupiformes

Zenaidiformes

Opisthocomiformes