Robo-lizards help prove long-standing signaling theory

(PhysOrg.com) -- Like teachers who rap a ruler before announcing homework in noisy classrooms, Puerto Rican anole lizards perform eye-catching pushups before beginning head-bobbing displays that advertise their territory and status, according to a new study by researchers at the University of California, Davis.

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<p><a href="http://www.physorg.com/news146766831.html">Robo-lizards help prove long-standing signaling theory</a></p> <p>(PhysOrg.com) -- Like teachers who rap a ruler before announcing homework in noisy classrooms, Puerto Rican anole lizards perform eye-catching pushups before beginning head-bobbing displays that advertise their territory and status, according to a new study by researchers at the University of California, Davis.</p>