AnAge entry for Helarctos malayanus
Classification (HAGRID: 02248)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Carnivora
Family: Ursidae
Genus: Helarctos
- Species
- Helarctos malayanus
- Common name
- Sun bear
- Synonyms
- Ursus malayanus
Lifespan, ageing, and relevant traits
- Maximum longevity
- 35.9 years (captivity)
- Source
- ref. 671
- Sample size
- Medium
- Data quality
- Acceptable
- 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 maturity
- 2,372 days
- Male sexual maturity
- Gestation
- 95 days
- Weaning
- 90 days
- Litter size
- 1 (viviparous)
- Litters per year
- Inter-litter interval
- Weight at birth
- 325 g
- Weight at weaning
- Adult weight
- 46,000 g
- Postnatal growth rate
- Maximum longevity residual
- 142%
Metabolism
- Typical body temperature
- 311ºK or 38.1ºC or 100.6ºF
- Basal metabolic rate
- Not yet available
References
- [0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
- [1008] Onuma (2003), Immobilization of sun bears (Helarctos malayanus) with medetomidine-zolazepam-tiletamine (PubMed)
- [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 System
- ITIS 621847
- Animal Diversity Web
- ADW account (if available)
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 9634
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google