The Environmental News Network reported on a study published in Zoology on how far can Polar Bears Swim. The Researchers found that Polar Bears Ursus maritimus regularly swimming over 30 miles (48 kilometers) and,documented one case where a Polar Bear swam 220 miles (354 kilometers). This ability to swim distances may help Polar Bears survive climate change as seasonal ice changes. By tracking bears and cubs with collars they also discovered that cubs may be able to swim as well as the adults and that cubs were often still with their mothers a year later.
Read more at Environmental News Network Wildlife and Habitat Conservation News: Just how far can a polar bear swim?.
Natural History Wanderings 
Unfortunately, polar bears still can’t hunt seals while they’re swimming, and they’re swimming only because the ice has melted. Sometimes polar bears get so tired of swimming they drown.
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By: John Wall on May 17, 2012
at 2:31 PM
Thanks for your comments John. Important points that were not included in the article.
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By: Sandy Steinman on May 17, 2012
at 2:36 PM