AnAge entry for Gulo gulo
Classification (HAGRID: 02174)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Carnivora
Family: Mustelidae
Genus: Gulo
- Species
- Gulo gulo
- Common name
- Wolverine
Lifespan, ageing, and relevant traits
- Maximum longevity
- 19.5 years (captivity)
- Source
- ref. 671
- Sample size
- Medium
- Data quality
- Acceptable
- Observations
These animals feature delayed implantation [0434]. Depending on how long the implantation takes to occur, the total gestation time can take from 120 to 272 days, even though the active developmental time is about 35 days [0455].
Life history traits (averages)
- Female sexual maturity
- 710 days
- Male sexual maturity
- 776 days
- Gestation
- 35 days
- Weaning
- 87 days
- Litter size
- 3 (viviparous)
- Litters per year
- 0.5
- Inter-litter interval
- 639 days
- Weight at birth
- 95 g
- Weight at weaning
- Adult weight
- 16,333 g
- Postnatal growth rate
- 0.0182 days-1 (from Gompertz function)
- Maximum longevity residual
- 90%
Metabolism
- Typical body temperature
- 310ºK or 37.0ºC or 98.6ºF
- Basal metabolic rate
- 31.7650 W
- Body mass
- 12700.0 g
- Metabolic rate per body mass
- 0.002501 W/g
References
- [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)
- [0610] Ernest (2003), Life history characteristics of placental non-volant mammals
- [0434] Ronald Nowak (1999), Walker's Mammals of the World
- [0954] Roertgen et al. (1996), A beta-associated cerebral angiopathy and senile plaques with neurofibrillary tangles and cerebral hemorrhage in an aged wolverine (Gulo gulo) (PubMed)
- [0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
- [0680] Wootton (1987), The effects of body mass, phylogeny, habitat, and trophic level on mammalian age at first reproduction
- [0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves
External Resources
- Integrated Taxonomic Information System
- ITIS 180551
- Animal Diversity Web
- ADW account
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 48420
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google