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AnAge entry for Vulpes vulpes

Classification (HAGRID: 02449)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Carnivora
                Family: Canidae
                    Genus: Vulpes
SpeciesVulpes vulpes
Common nameRed fox
SynonymsVulpes fulvus

Lifespan, ageing, and relevant traits

Maximum longevity21.3 years (captivity)
Sourceref. 671
Sample sizemedium
Data qualityacceptable
Observations

One wild born female was still living in captivity at an estimated 21.3 years of age [0671].

Life history traits (averages)

Female sexual maturity304 days
Male sexual maturity304 days
Gestation52 days
Weaning48 days
Litter size5 (viviparous)
Litters per year1
Inter-litter interval365 days
Weight at birth100 g
Weight at weaning1,397 g
Adult weight4,132 g
Postnatal growth rate0.0177 days-1 (from Gompertz function)
Maximum longevity residual122 %

Metabolism

Typical body temperature312ºK or 38.7ºC or 101.7ºF
Basal metabolic rate13.7310 W
Body mass4580.3 g
Metabolic rate per body mass0.002998 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
[0730] Smith et al. (2003), Body mass of late Quaternary 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
[0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves

External resources

Integrated Taxonomic Information SystemITIS 180604
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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