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Aves
Temporal range: Late Cretaceous – Present
Birds.jpg
Several species of modern day birds
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Superorder: Dinosauria
Order: Aves
Linnaeus, 1758
Subclasses
Synonyms
  • Neornithes Gadow, 1883

Aves (Linnaeus, 1758), or birds, are the only surviving group of the dinosaurs. Birds are generalized as being feathered, as well as warm-blooded. The first birds evolved around 160 million years ago, during the Late Jurassic.