Gaviiformes
Sphenisciformes
Ciconiiformes
Falconiformes
Columbiformes
Opisthocomiformes
Apodiformes
Trogoniformes
Struthioniformes
Podicipediformes
Pelecaniformes
Cathartiformes
Gruiformes
Strigiformes
Coraciiformes
Coliiformes
Tinamiformes
Procellariiformes
Phaethontiformes
Phoenicopteriformes
Pteroclidiformes
Cuculiformes
Caprimulgiformes
Piciformes
Passeriformes
