The lifespan of mammals is about 1 and a half billion heartbeats.
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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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The oldest creature ever found was Ming the clam at an admirable 507 years old.
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The oldest living person smoked cigarettes from the age of 21 to 117.
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The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
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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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