Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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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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Squirrels forget where they hide about half of their nuts.
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Moths are unable to fly during an earthquake.
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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Female kangaroos have three vaginas.
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