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 koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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A 42-foot sperm whale has about 7 tons of oil in it.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
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