Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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The largest earthworm on record was found in South Africa and measured 22 feet.
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Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
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Early American humans hunted car-size armadillos and used their shells for houses.
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