Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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Early American humans hunted car-size armadillos and used their shells for houses.
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Camels and llamas can cross breed. The offspring is called a ‘Cama’.
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Squirrels forget where they hide about half of their nuts.
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A scorpion can hold its breath for up to 6 days.
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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