Why Do Lizards Have Ears? To Eavesdrop, Perhaps

Lizards are not the most loquacious of animals. Aside from the geckos, which make chirping noises to communicate among themselves, they don’t vocalize.

Yet most lizards have well-developed ears. So that raises the obvious question: if they don’t use sounds to communicate, what do they use the ears for?

Ryo Ito and Akira Mori of Kyoto University in Japan supply one answer: to eavesdrop on other animals. Writing in The Proceedings of the Royal Society B, they describe how the Madagascan spiny-tailed iguana overhears the alarm calls of nearby birds to protect itself from predators.

Read full story HERE.


About Candace M Hansen

Wildlife advocate, conservationist and environmentalist.
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