AnAge entry for Melursus ursinus
Classification (HAGRID: 02249)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Carnivora
Family: Ursidae
Genus: Melursus
- Species
- Melursus ursinus
- Common name
- Sloth bear
- Synonyms
- Bradypus ursinus
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
- [1142] Kohler et al. (2006), Comparative mortality levels among selected species of captive animals
- [0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
- [0036] Savage et al. (2004), The predominance of quarter-power scaling in biology
- [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 System
- ITIS 621848
- Animal Diversity Web
- ADW account
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 9636
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google