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T. rex was born mobile: two new studies redraw the first year of a Cretaceous apex predator
Fossils from the first weeks of a tyrannosaur's life suggest the animal entered the world mobile, armed and competing for food, complicating the long-running "hatchling-as-helpless" picture.

Wire provenance
This editorial synthesis draws on the following public wire/social posts:
- https://en.wikipedia.org/wiki/Tyrannosaurus
- https://en.wikipedia.org/wiki/Edmontosaurus
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