Tag Archives | birds

Why are Birds Dinosaurs?

nationalgeographic.com

Month after month, one of the most popular posts on the Paleocave blog is the How to Read a Cladogram post I did some time ago. I always intended to follow it up with more cladistic fun. So, hold onto your butts, we’re going to let the dinosaurs loose.

Birds are dinosaurs. We’ve all heard this. But does that phrase make any sense? Not really. Dinosaurs, for the most part, are things that were really big, were mostly scaly, had fantastic teeth, and are extinct. Birds, on the other hand, don’t have teeth, are generally small, and are covered in feathers (I know that you know that lots of old school dinosaurs had feathers too, but whatever). So, why do we say that birds are dinosaurs? The answer involves evolution and the meaning of taxonomic names in biology.

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