The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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The lifespan of mammals is about 1 and a half billion heartbeats.
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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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The oldest living person smoked cigarettes from the age of 21 to 117.
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