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Males weighed up to 1,500 pounds, 50 percent more than the largest modern grizzlies. Cave bears had wider heads than today's bears, and powerful shoulders and forelimbs. Prehistoric humans ...
In prehistoric North America, the short-faced bear (Arctodus simus) ruled the land. It was one of the biggest and most powerful predators the world has seen, weighing an immense 900 kilograms ...
The great white polar bear is the youngest and largest of the world's bear species — a mighty hunter and fierce defender of its young that's among the world's most vulnerable animals. Two-thirds ...
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