What animal has the longest life span?: Quick Facts

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The Information Architects of Encyclopaedia Britannica

Last updated

Sep. 16, 2026

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A chart compares the maximum life spans of various animals, using icons and color coding for mammals, birds, other vertebrates, and invertebrates. Lifespans range from the mayfly at less than a year to the Greenland shark at 500 years, with humans, elephants, whales, birds, and reptiles shown at various points along the timeline. Measurement intervals are marked in years, with a key at the bottom explaining the color categories.

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