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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There are approximately three chickens for every human on Earth.
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The largest earthworm on record was found in South Africa and measured 22 feet.
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Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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The oldest recorded elephant lived for 82 years.
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