AnAge entry for Phascolarctos cinereus
Classification (HAGRID: 02564)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Diprotodontia
Family: Phascolarctidae
Genus: Phascolarctos
- Species
- Phascolarctos cinereus
- Common name
- Koala
Lifespan, ageing, and relevant traits
- Maximum longevity
- 22.1 years (captivity)
- Source
- ref. 671
- Sample size
- Large
- Data quality
- High
- Observations
In captivity, the koala may live up to 22.1 years [0671].
Life history traits (averages)
- Female sexual maturity
- 646 days
- Male sexual maturity
- 1,095 days
- Gestation
- 31 days
- Weaning
- 342 days
- Litter size
- 1 (viviparous)
- Litters per year
- 1
- Inter-litter interval
- 471 days
- Weight at birth
- 0.36 g
- Weight at weaning
- 1,155 g
- Adult weight
- 9,300 g
- Postnatal growth rate
- 0.0028 days-1 (from Gompertz function)
- Maximum longevity residual
- 111%
Metabolism
- Typical body temperature
- 309ºK or 35.8ºC or 96.4ºF
- Basal metabolic rate
- 5.7440 W
- Body mass
- 4732.4 g
- Metabolic rate per body mass
- 0.001214 W/g
References
- [1136] Gomes et al. (2011), Comparative biology of mammalian telomeres: hypotheses on ancestral states and the roles of telomeres in longevity determination (PubMed)
- [0978] Jones et al. (2009), PanTHERIA: a species-level database of life history, ecology, and geography of extant and recently extinct mammals
- [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
- [0420] White and Seymour (2003), Mammalian basal metabolic rate is proportional to body mass2/3 (PubMed)
- [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
- [0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves
External Resources
- Integrated Taxonomic Information System
- ITIS 552677
- Animal Diversity Web
- ADW account (if available)
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 38626
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google