24 Apr '11, 2pm

Is It Too Late For The Polar Bears?

More recently, researchers from the United States Geological Survey (USGS) fitted several Alaskan polar bears with tracking collars to find out the extent of their travels and document how much trouble they are having hunting in a warmer Arctic. One of the bears, a mother with a yearling cub on her back, made what researchers are calling an “epic journey in search of food” during September-October 2008. “This bear swam continuously for 232 hours and 687 km and through waters that were 2-6 degrees C,” reports USGS research zoologist George M. Durner. “We are in awe that an animal that spends most of its time on the surface of sea ice could swim constantly for so long in water so cold.” During the rest of the two-month tracking period, the bear intermittently swam and walked on ice floes for another 1,200 miles.

Full article: http://www.thegoodhuman.com/2011/04/24/is-it-too-late-for...

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