Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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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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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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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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In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
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