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 first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
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Cats sleep for 70% of their lives.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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The Basenji dog is the only dog that is not able to bark.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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