The group in Greenland were an 'unexpected' find.
Researchers have identified a special group of polar bears described in a. The bears might have found a unique sort of refuge from the effects of climate change in southeast Greenland, the authors write, where their group has become genetically distinct from other polar bears. Scientists are now pushing to recognize the bears as their own unique “subpopulation,” a move that could help keep them protected from potential threats like hunting and habitat loss.
“It was kind of a wholly unexpected finding,” says Kristin Laidre, lead author of the new paper and an associate professor at the University of Washington. “Frankly, it was kind of accidental that we realized that we were actually dealing with two subpopulations of bears, not one.” Polar bears can fast for up to 180 days of the year, but the absence of sea ice for longer than that in this region might have left them to starve. Luckily, the bears here found another resource when sea ice disappears: floating freshwater ice at a glacier front. Here, they could stalk seals from their breathing holes or sniff seals out from above and then break through the ice to reach them as they normally would on sea ice.
Action to slow climate change and conserve these environments will continue to be crucial for polar bears’ survival
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