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Polar bears are highly comminuted

August 27 2009
16:44

Over the past hundred years polar bears greatly reduced in size. This conclusion zoologists international research team, after compared the skulls of these predators past and present centuries, wrote, "Pravda.Ru".

It turned out that the modern individual for at least ten percent less than their ancestors. Scientists say that it happened because of global warming, which has forced the bears to hunt more intensively, to look for food and fight for it. And it takes a lot of calories.

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