Also known as the North American brown bear, the grizzly bear is a powerful predator that can weigh up to 800 pounds. (Photo: Paul Hamilton/Can Geo Photo Club) The ends of the hairs on grizzly bears’ ...

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Every year, at the end of summer, grizzly bears in Alaska wait for spawning salmon to return in their thousands. Their physiology changes and they become eating machines, entering a state called ...

Tester told me grizzly bears often set up winter quarters in food-cache areas ... Grancel Fitz, the committee’s secretary, wrote, asking me for more facts about the trophy and telling me it would be ...