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Tuesday, November 10, 2009 |
Tuesday, November 10, 2009 |
Photo: Dolphins Name Themselves With Whistles, Study SaysNew research using the recorded sounds of wild dolphins off the Florida coast shows that the marine mammals give themselves signature whistles that act as names. Photograph by Randy Olson/National Geographic/Getty Images
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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