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AnAge entry for Helarctos malayanus

Classification (HAGRID: 02597)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Carnivora
                Family: Ursidae
                    Genus: Helarctos
SpeciesHelarctos malayanus
Common nameSun bear

Lifespan, ageing, and relevant traits

Maximum longevity35.9 years (captivity)
Sourceref. 671
Sample sizemedium
Data qualityacceptable
Observations

Gestation times of 95 and 96 days were reported in Zoos. When there is a delayed implantation, the total pregnancy time is on average 214 days [0434]. One captive specimen lived 35.9 years [0671].

Life history traits (averages)

Female sexual maturity2,372 days
Male sexual maturity
Gestation95 days
Weaning90 days
Litter size1 (viviparous)
Litters per year
Inter-litter interval
Weight at birth325 g
Weight at weaning
Adult weight46,000 g
Postnatal growth rate
Maximum longevity residual142 %

Metabolism

No information on metabolism available.

References
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
[0610] Ernest (2003), Life history characteristics of placental non-volant mammals
[0434] Ronald Nowak (1999), Walker's Mammals of the World
[0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
[0448] Woodland Park Zoo

External resources

Integrated Taxonomic Information SystemITIS 621847
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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