Part of the Arctic is nicknamed the “Last Ice Area,” because floating sea ice there is usually so thick that it’s likely to withstand global warming for decades. So, scientists were shocked last summer when there was suddenly enough open water for a ship to pass through. The opening, documented by scientists aboard a German…
For threatened polar bears, the climate change diet is a losing proposition phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
With Arctic sea ice shrinking from climate change, many polar bears have to shift their diets to land during parts of the summer. A new study looking at Hudson Bay polar bears tries to figure out if they can keep up their roly-poly figure, which is what’s needed. Tuesday s research found that an overwhelming number of them are dropping the pounds no matter what they do to try to beef up their weight. They may pig out on berries or sea birds or veg out in semi-hibernation. Either way, they drop on average 47 pounds over three weeks.