Birds Don’t Have Teeth Because of Their Dinosaur Ancestors

limusaurus-at-different-ages

Inverse

December 27, 2016

Today’s birds don’t seem quite as threatening as their gigantic dinosaur ancestors, in part because they lack the teeth that make the Tyrannosaurus rex so terrifying.

But why don’t today’s birds have teeth? New fossil discoveries offer up some clues.

Read more >>

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