Early American humans hunted car-size armadillos and used their shells for houses.
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Jellyfish as a species are actually older than dinosaurs and sharks.
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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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The Platypus used to be considered a myth like Bigfoot and the Yeti.
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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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Camels and llamas can cross breed. The offspring is called a ‘Cama’.
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It has been estimated that a bite from a grizzly bear can crush a bowling ball.
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