Polar bears may be turning to cannibalism

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Polar bears may be turning to cannibalism

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ANCHORAGE, Alaska - Polar bears in the southern Beaufort Sea may be turning to cannibalism because longer seasons without ice keep them from getting to their natural food, a new study by American and Canadian scientists has found.

The study reviewed three examples of polar bears preying on each other from January to April 2004 north of Alaska and western Canada, including the first-ever reported killing of a female in a den shortly after it gave birth.

Polar bears feed primarily on ringed seals and use sea ice for feeding, mating and giving birth.

Polar bears kill each other for population regulation, dominance, and reproductive advantage, the study said. Killing for food seems to be less common, said the study's principal author, Steven Amstrup of the U.S. Geological Survey

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They say that polar bears may be turning to cannibalism because of the shrinking polar ice (lack of food). GLOBAL WARMING

polarcannibal.jpg - 20.32kb
By YCON: posted on 13-6-2006








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