Polar Bear (Ursus maritimus) perched beside the ice, Svalbard
With the difficulty to find food comes the difficulty to conceive. Between 1981 and 1998 it was observed that the average weight and number of Polar Bear cubs born dropped by 15%.
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Produced by:Peter Prokosch
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Year:01/11/2011
Polar Bear (Ursus maritimus) perched beside the ice, Svalbard
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