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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A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
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An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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