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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Cows can sleep standing up, but they can only dream lying down.
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Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
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Sharks, like other fish, have their reproductive organs in their chests.
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The ancestor of all domestic cats is the African Wild Cat which still exists today.
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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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