Birds Taxonomy

Columbiformes
Psittaciformes
Suliformes
Phoenicopteriformes
Pterocliformes
Mesitornithiformes
Gruiformes
Apterygiformes
Strigiformes
Galliformes
Piciformes
Anseriformes
Casuariiformes
Eurypygiformes
Leptosomiformes
Cariamiformes
Cuculiformes
Phaethontiformes
Passeriformes
Otidiformes
Podicipediformes
Opisthocomiformes
Trogoniformes
Coliiformes
Cathartiformes
Accipitriformes
Procellariiformes
Galbuliformes
Bucerotiformes
Gaviiformes
Sphenisciformes
Caprimulgiformes
Pelecaniformes
Charadriiformes
Rheiformes
Ciconiiformes
Tinamiformes
Falconiformes
Struthioniformes
Musophagiformes
Coraciiformes