Birds Taxonomy

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