Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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A dairy cow can produce more milk when listening to music.
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When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
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