Early American humans hunted car-size armadillos and used their shells for houses.
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There are approximately three chickens for every human on Earth.
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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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There's a rare breed of pig that looks like a sheep.
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A cow produces around 200,000 glasses of milk in her lifetime.
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The male seahorse carries babies and 'gives birth' to them instead of the female.
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A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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