The Shortest and Longest Lifespans of Animals

Time. Tick tock. We live only a tiny fraction of time that our planet has been around for. Even humanity itself is very young. But life span is a really relative term: there are creatures on our planet that live much shorter lives than us humans, and those who outlive all of us by far… while some are close to immortality. See for yourself.

Mayfly has the shortest lifespan on Earth — 24 hours or less. Greenland shark lives over 270 years. It's the longest-living vertebrate. But there are creatures who live over 2,000 years or even... forever! Yup, one of them is biologically immortal. It can go back to being polyp and grow up again infinitely...

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