Located in the northeastern portion of Canada, Hudson Bay is known for its cooler temperatures, with the southern areas of the bay offering subarctic temperatures that used to be perfect for polar bears to survive in. Now, though, rising temperatures and hotter summers mean less sea ice, and that means polar bears in the Hudson Bay area could be facing extinction sometime within the next decade.
It still has to be thick enough to support them. Unfortunately, there isn’t much consensus on just how much ice is needed to support an adult male polar bear. However, field research has helped come up with a baseline of just four under four inches of thick ice being needed to hold their weight. Anything thinner than this has a chance of breaking. Of course, polar bears can swim, so if they fall through the ice, it isn’t a huge issue as far as them drowning or anything.
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