Vörlaag:Aves af
| Ordines: || Accipitriformes – Anseriformes – Apodiformes – Apterygiformes – Bucerotiformes – Caprimulgiformes – Cariamiformes – Casuariiformes – Charadriiformes – Ciconiiformes – Coliiformes – Columbiformes – Coraciiformes – Cuculiformes – Eurypygiformes – Falconiformes – Galliformes – Gaviiformes – Gruiformes – Leptosomiformes – Mesitornithiformes – Musophagiformes – Opisthocomiformes – Otidiformes – Passeriformes – Pelecaniformes – Phaethontiformes – Phoenicopteriformes – Piciformes – Podicipediformes – Procellariiformes – Psittaciformes – Pteroclidiformes – Rheiformes – Sphenisciformes – Strigiformes – Struthioniformes – Suliformes – Tinamiformes – Trogoniformes[1]