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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Penguins have a gland above their eye that turns saltwater into freshwater.
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Jumping fleas can accelerate 50 times faster than the space shuttle.
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The oldest recorded elephant lived for 82 years.
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There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
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The ancestor of all domestic cats is the African Wild Cat which still exists today.
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Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
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