comment: This is the best tl;dr I could make, original reduced by 77%. (I'm a bot)
  
  
  Researchers surveyed Western Hudson Bay - home to Churchill, the town called `the Polar Bear Capital of the World,' - by air in 2021 and estimated there were 618 bears, compared to the 842 in 2016, when they were last surveyed.
  "Those are the types of bears we've always predicted would be affected by changes in the environment," said Stephen Atkinson, the lead author who has studied polar bears for more than 30 years.
  The capacity for polar bears in the Western Hudson Bay to reproduce will diminish, Atkinson said, "Because you simply have fewer young bears that survive and become adults."
  
  
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