Definify.com

Definition 2021


Neornithes

Neornithes

Translingual

Proper noun

Neornithes

  1. A taxonomic infraclass within the class Aves – all modern birds, characterized by many adaptations for flight, such as a four-chambered heart and feathers, and differentiated from other, older birds by having a beak with no teeth.

Hypernyms

Hyponyms