Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
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It has been estimated that a bite from a grizzly bear can crush a bowling ball.
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When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
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When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
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