Jellyfish as a species are actually older than dinosaurs and sharks.
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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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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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The reindeer is the only mammal that can see UV light.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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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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