PhysOrg Posted September 27, 2017 Share Posted September 27, 2017 Once you know that many dinosaurs had feathers, it seems much more obvious that they probably evolved into birds. But there's still a big question. How did a set of dinosaurian jaws with abundant teeth (think T. rex) turn into the toothless jaws of modern birds, covered by a beak? Two things had to happen in this transition, suppression of the teeth and growth of the beak. Now new fossil evidence has shown how it happened. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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