Aves


Paleognatha
Ostrich

Galloanserae - Galliformes
Pheasant

Galloanserae - Anseriformes
Mandarin duck

Metaves
Flamingo
Colibri

Coronaves (arboreal)
Blue tit

Coronaves (terrestrial)
Mousebird

Coronaves (aquatic)
Penguin

Coronaves (semi-aquatic)
 Shoebill


Coronaves (shorebirds)
Atlantic puffin

The following extinct birds also belong to the group Aves.
Ichtyornis (late Cretaceous period)

Hesperornis (late Cretaceous period)

Enantiornis (late Cretaceous period)

Confuciusornis (early Cretaceous period)

Archaeopteryx (late Jurassic period)