It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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The oldest creature ever found was Ming the clam at an admirable 507 years old.
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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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A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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Penguins have a gland above their eye that turns saltwater into freshwater.
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Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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There's a lizard known as the 'Jesus Lizard' that can run across water.
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