There's a rare breed of pig that looks like a sheep.
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In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
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It has been scientifically proven that stroking a cat can lower one's blood pressure!
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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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Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
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Condoms were originally made of animal intestines or linen.
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The elephant brain weighs about 6,000g.
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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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