Neognaths (Neognathae) are birds within the subclass Neornithes of the class Aves. The Neognathae include virtually all living birds; their sister taxon Paleognathae contains the tinamous - their only order capable of flight - as well as the flightless ratites. Image:Confuciusornis.jpg This prehistoric bird-related article is a stub. You can help Fossil Wiki by [ expanding it].