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 elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
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Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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The Basenji dog is the only dog that is not able to bark.
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