The head of a jellyfish is called the "Bell."
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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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Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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The most expensive cow in the world was sold in 2009 for $1.2 million.
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Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
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Cats sleep for 70% of their lives.
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