A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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When cats are happy, they may squeeze their eyes shut.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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One litter of kittens can be produced by more than one father.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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