Lizards 'Shout' Against a Noisy Background

Lizards that signal to rivals with a visual display "shout" to get their point across, UC Davis researchers have found.

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<p><a href="http://www.physorg.com/news91295973.html">Lizards 'Shout' Against a Noisy Background</a></p> <p>Lizards that signal to rivals with a visual display "shout" to get their point across, UC Davis researchers have found.</p>