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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Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
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The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
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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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Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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The oldest recorded elephant lived for 82 years.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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