22 Jul '11, 4am

Polar Bear Swims 9 Days, Her Cub Doesn’t Make It | Care2 Causes

Polar Bear Swims 9 Days, Her Cub Doesn’t Make It | Care2 Causes

A female polar bear swam 426 miles (687 kilometers) straight, the length from Boston to Washington DC and the longest swim for a polar bear ever recorded. Sadly, the reason for her 9-day swim in the icy waters of the Beaufort Sea is global warming, which has led to the sea ice shrinking. The bear had to swim such a huge distance in order to find land. Says National Geographic : Until 1995, summer sea ice usually remained over along the continental shelf of the Beaufort Sea, a critical habitat for polar bears due to its rich seal population. Now the sea ice in the Beaufort and Chukchi Seas is retreating from the coast by hundreds of kilometers, [George] Durner [a U.S. Geological Survey research zoologist in Anchorage, Alaska], said. In 2010, Arctic sea ice extent was the third lowest on record, part of a long-term trend of ice loss that will continue for decades to come, ac...

Full article: http://www.care2.com/causes/polar-bear-swims-9-days-her-c...

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