Desert Snake Hears Mouse Footsteps with its Jaw

Just a few decades ago, some scientists doubted that snakes could hear at all. Snakes lack an outer ear and external ear openings, making it difficult to understand how the reptiles receive acoustic vibrations.

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<p><a href="http://www.physorg.com/news122123444.html">Desert Snake Hears Mouse Footsteps with its Jaw</a></p> <p>Just a few decades ago, some scientists doubted that snakes could hear at all. Snakes lack an outer ear and external ear openings, making it difficult to understand how the reptiles receive acoustic vibrations.</p>