Why reptiles are not considered dinosaurs but the birds are?

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The reptiles to me look exactly like dinosaurs, their skeleton resemble fossils and they are cold-blooded.

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Anonymous 0 Comments

Think of it like a family tree.

Great-Grandpa and great-grandma were Reptile-Things. I say “Reptile-Things” because they aren’t really reptiles, but they’re close.

They had two children: Many-Reptile and Dino-things. Most reptiles we know of today are the grandchildren of Many-Reptile. Dino-Things children include Dinosaur and Crocodilian. Dinosaur’s children are Birds, while Crocodilian’s children are Crocodile, Alligator, and their siblings (which we call “reptiles”; but are not the grandchildren of Many-Reptile).

In real life, there were a lot more generations in there – but the idea is the same.

We don’t know where certain things come from. We know Dino-Things didn’t know how to make feathers or warm blood; but Birds do. We think Dinosaur learned both at some point along the way; but we don’t know for sure.

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