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Tadpoles of one frog species let out an audible "scream" when they come under attack, scientists have discovered. They only make the noise, described as a brief, clear metallic sound made up of a series of notes, when in distress. It is the first time any vertebrate larva has been found to use sound to communicate underwater. The discovery that frog tadpoles can make sounds also raises the possibility that a host of aquatic...

2010-04-13

 larva communication animal frog water scream