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

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].

[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