The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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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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Sheep, goats, octopuses, and toads have rectangular pupils.
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There's a rare breed of pig that looks like a sheep.
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A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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