Paleontologist's New Theory for Why T. rex Had Such Ridiculously Short Arms

T. rex’s short arms may have lowered risk of bites during feeding frenzies. A new hypothesis suggests that the T. rex's short arms may have evolved to avoid injury during communal feeding, particularly to prevent accidental or intentional amputation caused by the creature's powerful jaws and teeth.

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Paleontologist's New Theory for Why T. rex Had Such Ridiculously

This may be why T. rex had such tiny arms

Tyrannosaurus rex Smithsonian Institution

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Paleontologist's New Theory for Why T. rex Had Such Ridiculously

Newly discovered dinosaur had tiny arms like T. rex

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Why Are Tyrannosaurus Rex's Arms So Short? UC Berkeley