Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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It has been estimated that a bite from a grizzly bear can crush a bowling ball.
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Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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The oldest creature ever found was Ming the clam at an admirable 507 years old.
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