Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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Penguins have a gland above their eye that turns saltwater into freshwater.
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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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The station master and operating officer at the Kishi Station, Japan, is a cat!
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Lobsters have blue blood.
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There's a lizard known as the 'Jesus Lizard' that can run across water.
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The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
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