National Geographic Daily News

Dinosaur Claws

Photograph by W.A. Rogers

A dig in Dry Mesa, Colorado, revealed these Jurassic jewels: claws from a creature now extinct. All theropods (bipedal dinosaurs that included T. rex and Velociraptor) possessed curved, hooklike claws on their hands and feet, similar to today's birds of prey. Each claw ended with a sharp point ideally suited for digging into the flesh of prey. When worn down, bony claws developed a sharp edge ideal for cutting and slashing.

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