Lifespan, longevity, and ageing
Maximum longevity: 42.9 years (captivity) Observations: After a 100 days period of delayed implantation, the active gestation lasts 240 days (Ronald Nowak 2003). In the wild, it has been estimated that females live up to 46 years (David Macdonald 1985), which is dubious. Record longevity in captivity is 42.9 years (Richard Weigl 2005).
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