In 1949, an official boxing match between a bear and a man was held. The bear won.
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A group of kittens is called a "kindle".
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Rattlesnake mating sessions have been known to last more than 22 hours.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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