Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
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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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Bats sleep 18-20 hours per day.
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