Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
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When cats are happy, they may squeeze their eyes shut.
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
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