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Frogs chat in ultrasound

Amphibians join bats and whales in talking at high frequencies.

The concave-eared torrent frog could give opera divas a run for their money. Reaching a pitch in the ultrasonic range, these frogs perform arias to be heard over the rushing waters of their habitat, the Huangshan Hot Springs in China.

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Posted by Nicola Jones on March 15, 2006
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