Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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Cows can sleep standing up, but they can only dream lying down.
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Giant Anteaters' front legs look like a panda.
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Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
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