List of birdsW
List of birds
List of fossil bird generaW
List of fossil bird genera
AvebrevicaudaW
Avebrevicauda
EuavialaeW
Euavialae
List of extinct bird species since 1500W
List of extinct bird species since 1500
AequornithesW
Aequornithes
OrnithothoracesW
Ornithothoraces
OrnithuraeW
Ornithurae
PatagopterygiformesW
Patagopterygiformes
PygostyliaW
Pygostylia