Tuatara Has Steak Knife Teeth

May 29, 2012
The Reptile Report
by Robyn

The Reptile Report - New Zealand’s tuatara has a unique way of chewing its food, say scientists who have studied its jaws in detail.

This beak-headed reptile uses a “steak-knife sawing motion” as it chews.

This could help explain how the species has continued to adapt to a changing world – and changes in available prey – over more than 200 million years.

A computer model of the tuatara, recreating its jaws as it munched on prey, has revealed that it chews like no other land animal.

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