Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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There's a rare breed of pig that looks like a sheep.
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The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
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The oldest recorded elephant lived for 82 years.
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Alligators can live up to 100 years.
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In 1949, an official boxing match between a bear and a man was held. The bear won.
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The cat brain weighs about 30g.
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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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