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Stories about: defense mechanism

Bottom-Dwelling Snail Lights Up Two scientists at Scripps Institution of Oceanography at UC San Diego, have discovered the secret of a strange sea snail, which uses flashes of bioluminescent light as a defense mechanism.A species of 'clusterwink snail' called Hinea brasiliana, was studied by Dimitri Deheyn and Nerida Wilson of Scripps Oce... 15 December 2010 05:20 GMT Freak Frogs Use Bones as Claws This weird behavior was observed by biologists from Harvard University in a species of frogs known as Trichobatrachus robustus and is manifested by a break in the bones in the toe pads, forming a new claw-like bone which then penetrates through living tissue, probably as a defense mechanism. David Blackburn from the ... 28 May 2008 05:36 GMT