CHORDATA

ACCIPITRIFORMES
ANSERIFORMES
APODIFORMES
APTERYGIFORMES
CAPRIMULGIFORMES
CASUARIIFORMES
CHARADRIIFORMES
CICONIIFORMES
COLIIFORMES
COLUMBIFORMES
CORACIIFORMES
CUCULIFORMES
FALCONIFORMES
GALLIFORMES
GAVIIFORMES
GRUIFORMES
OTIDIFORMES
PASSERIFORMES
PELECANIFORMES
PHOENICOPTERIFORMES
PICIFORMES
PODICIPEDIFORMES
PROCELLARIIFORMES
PSITTACIFORMES
RHEIFORMES
SPHENISCIFORMES
STRIGIFORMES
STRUTHIONIFORMES
TINAMIFORMES
TROCHILIFORMES
TROGONIFORMES

BIRDS