Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
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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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When cats are happy, they may squeeze their eyes shut.
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Dogs sometimes fake being sick to get attention.
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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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