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AnAge entry for Ursus thibetanus

Classification (HAGRID: 02603)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Carnivora
                Family: Ursidae
                    Genus: Ursus
SpeciesUrsus thibetanus
Common nameAsiatic black bear

Lifespan, ageing, and relevant traits

Maximum longevity39.2 years (captivity)
Sourceref. 671
Sample sizemedium
Data qualityacceptable
Observations

As in other bears, there is usually a delayed implantation [0434]. One captive specimen lived 39.2 years [0671].

Life history traits (averages)

Female sexual maturity1,095 days
Male sexual maturity1,095 days
Gestation228 days
Weaning99 days
Litter size2 (viviparous)
Litters per year
Inter-litter interval365 days
Weight at birth463 g
Weight at weaning
Adult weight103,750 g
Postnatal growth rate
Maximum longevity residual137 %

Metabolism

No information on metabolism available.

References
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
[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

External resources

Integrated Taxonomic Information SystemITIS 621850
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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AnAge database at the Human Ageing Genomic Resources.

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