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AnAge entry for Urocyon cinereoargenteus

Classification (HAGRID: 02438)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Carnivora
                Family: Canidae
                    Genus: Urocyon
SpeciesUrocyon cinereoargenteus
Common nameGray fox

Lifespan, ageing, and relevant traits

Maximum longevity16.2 years (captivity)
Sourceref. 671
Sample sizemedium
Data qualityacceptable
ObservationsNo observations are presently available

Life history traits (averages)

Female sexual maturity345 days
Male sexual maturity365 days
Gestation57 days
Weaning55 days
Litter size4 (viviparous)
Litters per year1
Inter-litter interval365 days
Weight at birth95 g
Weight at weaning519.7 g
Adult weight4,750 g
Postnatal growth rate0.0127 days-1 (from Gompertz function)
Maximum longevity residual90 %

Metabolism

No information on metabolism available.

References
[0817] Bielby et al. (2007), The fast-slow continuum in mammalian life history: an empirical reevaluation, PubMed
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
[0610] Ernest (2003), Life history characteristics of placental non-volant mammals
[0434] Ronald Nowak (1999), Walker's Mammals of the World
[0538] Don Wilson and Sue Ruff (1999), The Smithsonian Book of North American Mammals
[0676] Purvis and Harvey (1995), Mammal life-history evolution: a comparative test of Charnov’s model
[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 SystemITIS 180609
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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Ageing literature

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