Land Based Food May Not Be Enough to Save Polar Bears

April 3, 2015 3:23 AM

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Polar bears may not be able to rely on land-based food sources to survive as global warming changes the sea and ice melts, according to a new study. With the warmer temperatures, much of the ice in their habitat melts. This in turn, makes it harder for them to access their main food source, ice seals. Instead, the bears have had to turn to other sources of prey instead, hunting in areas that are already dominated by grizzly bears, placing them in direct competition with this seasoned land-based predator.

Polar bears may not be able to rely on land-based food sources to survive as global warming changes the sea and ice melts, according to a new study. With the warmer temperatures, much of the ice in their habitat melts. This in turn, makes it harder for them to access their main food source, ice seal...

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