Cows can sleep standing up, but they can only dream lying down.
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The oldest creature ever found was Ming the clam at an admirable 507 years old.
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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!
2
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6