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July 19, 2011

Polar bear cubs dying as swims get longer

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Polar bears like this one are having to spend more time in the Arctic water due to less summer sea ice.Polar bear cubs forced to swim long distances with their moms as their icy Arctic habitat melts appear to have a higher mortality rate than cubs that didn't swim as far, a new study reports.


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Source: http://pheedo.msnbc.msn.com/click.phdo?i=67a67a1d2790e157678f5d2dfb19b7ec

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