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Thu 12 Dec 2008Dolphins go sponging for food
BIRDS DO IT, great apes do it and of course humans. Now a species of bottlenose dolphin has joined the select club of animals able to use a tool to achieve a goal.
A small subset of the Western Australia Indian Ocean bottlenose dolphin uses sponges to forage for food on the sea floor. It also emerges that the dolphins who pursue this activity become "workaholics", putting in long hours as they root about for food.
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