Birds Facts for Kids

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Updated 24 March 2020

So, What Exactly Are Birds?

Birds are warm-blooded vertebrates from the class Aves, characterized by their laying of eggs with hard shells and for having feathers, toothless beaks, hearts with four chambers, and lightweight skeletons. Birds are also known as avian dinosaurs, which isn't just a coincidence--birds are the closest living descendants of the dinosaurs! Birds can be found almost anywhere on the earth and include species that range in size from the 5 cm tall hummingbird all the way to the 2.75 m tall ostrich.

Taxonomy

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