AnAge entry for Melursus ursinus

Classification (HAGRID: 02700)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Carnivora
                Family: Ursidae
                    Genus: Melursus
Species
Melursus ursinus
Common name
Sloth bear

Lifespan, ageing, and relevant traits

Maximum longevity
33.3 years (captivity)
Source
ref. 671
Sample size
Medium
Data quality
Acceptable
Observations

It has been reported that these animals can live up to 40 years in captivity [0434], which has not been verified. Record longevity in captivity belongs to one wild born female that was 33.3 years of age when she died [0671].

Life history traits (averages)

Female sexual maturity
1,095 days
Male sexual maturity
1,095 days
Gestation
198 days
Weaning
76 days
Litter size
1.5 (viviparous)
Litters per year
Inter-litter interval
1,095 days
Weight at birth
400 g
Weight at weaning
Adult weight
100,000 g
Postnatal growth rate
Maximum longevity residual
117%

Metabolism

Typical body temperature
Not yet available
Basal metabolic rate
47.0640 W
Body mass
66957.0 g
Metabolic rate per body mass
0.000703 W/g

References

External Resources

Integrated Taxonomic Information System
ITIS 621848
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 9636
Entrez
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Ageing Literature
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Internet
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