Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
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The ancestor of all domestic cats is the African Wild Cat which still exists today.
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Giant Anteaters' front legs look like a panda.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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Mosquitoes don't just bite you, they also pee on you.
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