AnAge entry for Vulpes velox
Classification (HAGRID: 02099)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Carnivora
Family: Canidae
Genus: Vulpes
- Species
- Vulpes velox
- Common name
- Swift fox
- Synonyms
- Vulpes velox velox, Vulpes velox hebes, Canis velox
Lifespan, ageing, and relevant traits
- Maximum longevity
- 15.9 years (captivity)
- Source
- ref. 671
- Sample size
- Medium
- Data quality
- Acceptable
- Observations
Anecdotal reports suggest these animals may live up to 20 years [0610]. Record longevity in captivity, however, belongs to a wild born male that was around 15.9 years when he died in captivity [0671].
Life history traits (averages)
- Female sexual maturity
- 365 days
- Male sexual maturity
- 365 days
- Gestation
- 55 days
- Weaning
- 46 days
- Litter size
- 4.5 (viviparous)
- Litters per year
- 1
- Inter-litter interval
- 365 days
- Weight at birth
- 39.65 g
- Weight at weaning
- Adult weight
- 2,400 g
- Postnatal growth rate
- 0.0315 days-1 (from Gompertz function)
- Maximum longevity residual
- 98%
Metabolism
- Typical body temperature
- Not yet available
- Basal metabolic rate
- 4.9480 W
- Body mass
- 1769.0 g
- Metabolic rate per body mass
- 0.002797 W/g
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
- [0036] Savage et al. (2004), The predominance of quarter-power scaling in biology
- [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
- [0441] William Burt et al. (1998), A Field Guide to Mammals
- [0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
- [0542] Bernhard Grzimek (1990), Grzimek's Encyclopedia of Mammals
- [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 180607
- Animal Diversity Web
- ADW account
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 9631
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google