Early American humans hunted car-size armadillos and used their shells for houses.
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The oldest creature ever found was Ming the clam at an admirable 507 years old.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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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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The largest earthworm on record was found in South Africa and measured 22 feet.
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