It may not be a mutant per-se, but it sure is an evolutionary rarity. From Reuters:

The frog, Amolops tormotus, is the first non-mammalian species known to use the ultra-high frequencies that humans cannot hear.

It comes in handy to be heard above the pounding waterfalls and streams in the mountainous region of east-central China where Amolops tormotus, which is known as the concave-eared torrent frog, lives.

This entry was posted on Thursday, March 16th, 2006 at 3:45 pm and is filed under Anura (frogs and toads), China. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.