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How did dinosaurs evolve beaks and become birds ? Scientists think they have the answer [Phys]

par Frédéric Magné - publié le

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.

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