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Baby tyrannosaur dinosaurs were the size of dogs, embryo fossils show – CNET

Tyrannosaur embryo fossil fragments are helping scientists peek into the dinosaurs’ early days.

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This artist’s impression shows what a juvenile tyrannosaur may have looked like.
Julius Csotonyi
Tyrannosaur dinosaurs roamed Earth long before baby photos were a thing, so all we have is the fossil record to figure out what they looked like in their earliest days. It’s been a difficult quest, but the discovery of “the first-known fossils of tyrannosaur embryos” is helping to create a picture.
A research team led by University of Edinburgh paleontologist Greg Funston studied a tiny jaw bone and…

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