One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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Tigers can see 6 times better at night than humans.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
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