The dinosaur could bite with about three times the force of large crocodiles or great white sharks.
, the scientists created one of the first 3D models to show how the ligaments and joints in a T. rex skull functioned.
The study found that the dinosaur did not have cranial kinesis, but instead had a rather rigid skull more like that of crocodiles, hyenas and humans. "This suggests that land-living predators, at least, or animals that bite hard, converge upon growing stiff skulls, as opposed to squishy ones," he said."I was surprised at how well we think we can reconstruct the anatomy of a 67-million-year-old animal given only its bones. That's still pretty cool to realize how similar we all are in anatomy."
"Our findings will lead other biologists to better explore the trade-offs between feeding behaviors and skull shape in animals that evolved to bite hard, or bite quickly, or those that handle their food dexterously," Holliday said.
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