Lifespan, longevity, and ageing
Observations: The total gestation time includes a 2 months period of delayed implantation (Ronald Nowak 2003). The actual embryonic development takes about 8.5 months. In the wild, these animals have been reported to live up to 31 years (David Macdonald 1985). Their longevity in captivity has not been studied in detail and hence their maximum longevity must be classified as unknown.
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