Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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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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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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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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The oldest creature ever found was Ming the clam at an admirable 507 years old.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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