Zoo animal life expectancies

The chart below shows the minimum and maximum or median life expectancy estimates of selected animals in zoos.

Longevity estimates are derived from studbooks for animal population in North American zoos and aquariums. Existing large-scale datasets on animal lifespans from wild population mostly consist of maximum longevity values, and therefore are not comparable with median life expectancy estimates depicted here.

Reddit user: LuisaViz
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Ecoclimax is defined by Odum (1969) as the culmination state after a succession in a stabilized ecosystem in which maximum biomass (or high information content) and symbiotic function among organisms is kept per unit of available energy flow.