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Thursday, July 24, 2008 |
Thursday, July 24, 2008 |
Photo: Chameleons Evolved Color Changing to CommunicateThe reptiles begin the contest bright green, but when one male realizes that he will lose, he becomes dark to signal that he is giving up. A new study found that the chameleon's color-changing abilities did not evolve out of a need for camouflage, but as a form of communication. Photos courtesy Adnan Moussalli and Devi Stuart-Fox
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