The seahorse is the only fish to have a neck.
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There are approximately three chickens for every human on Earth.
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The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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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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Squirrels forget where they hide about half of their nuts.
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