A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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A scorpion can hold its breath for up to 6 days.
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Sloths take two weeks to digest their food.
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When cats are happy, they may squeeze their eyes shut.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
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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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