Follow Ewan Mcgregor as he travels to a remote Canadian outpost on Hudson Bay, where he investigates the annual invasion of hungry polar bears.
Wayde Roberts is a Natural Resource Officer at Manitoba Conservation. He has worked with polar bears in Churchill, known to many as the polar bear capital of the world.
The world's largest land predators, polar bears spend the winter hunting and eating seals. Check out these photos of the polar bears of Churchill, in Manitoba.
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