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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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
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15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
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Dogs sometimes fake being sick to get attention.
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Sharks have been on the planet longer than trees.
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A cow produces around 200,000 glasses of milk in her lifetime.
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