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• Most bears will eat just about everything. Polar bears, however, eat only meat.
• Polar bears tend to have twins. It's nature's way of giving the bears a second shot at risky survival.
• One historian insists that Henry I kept a polar bear in the Tower of London.
• A polar bear can smell you 20 miles away, give or take a mile or so.
• It's said that the polar bear is the mammal with the keenest sense of smell. Polar bears have been known to sniff their way home over unfamiliar territory from 300 miles away.
• Arctic foxes track polar bears...to get kill leftovers.
• The normal body temperature of a polar bear is 98.6 degrees F.
• A typical polar bear lives 25 years.
• Shave a polar bear and you've got a bear that's blue all over.
• A polar bear's fur absorbs nearly all the ultraviolet rays for heat even as it reflects visible light to appear white.
• Question: Do polar bears build igloos? Answer: Sort of. They build ice caves.