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Frogs’s ears

A brown speckled New Zealand’s native frog on a pale background

New Zealand’s native frogs lack an external ear drum and middle ear. Although they can make chirping sounds, they don’t croak. Scientists think they use chemicals rather than sounds to communicate.

Acknowledgement: Phil Bishop

Glossary

Rights: Phil Bishop
Published: 31 January 2018Size: 49.75 KB
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