Last modified on 18 March 2015, at 12:01

Neornithes

TranslingualEdit

EtymologyEdit

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Proper nounEdit

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.

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