AnAge entry for Vulpes macrotis
Classification (HAGRID: 02096)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Carnivora
Family: Canidae
Genus: Vulpes
- Species
- Vulpes macrotis
- Common name
- Kit fox
- Synonyms
- Vulpes macrotis macrotis, Vulpes macrotis mutica, Vulpes muticus, Vulpes velox mutica, Vulpes macrotis neomexicanus
Lifespan, ageing, and relevant traits
- Maximum longevity
- 15.8 years (captivity)
- Source
- ref. 671
- Sample size
- Small
- Data quality
- Acceptable
- Observations
There is one report of one specimen still living after 20 years in captivity [0434]. Although not impossible, this was probably an error, and the record longevity in captivity is now considered to be 15.8 years [0671].
Life history traits (averages)
- Female sexual maturity
- 365 days
- Male sexual maturity
- 365 days
- Gestation
- 54 days
- Weaning
- Litter size
- 4 (viviparous)
- Litters per year
- Inter-litter interval
- 365 days
- Weight at birth
- 40 g
- Weight at weaning
- Adult weight
- 2,500 g
- Postnatal growth rate
- Maximum longevity residual
- 97%
Metabolism
- Typical body temperature
- 311ºK or 38.0ºC or 100.4ºF
- Basal metabolic rate
- 4.9280 W
- Body mass
- 1769.0 g
- Metabolic rate per body mass
- 0.002786 W/g
References
- [1308] Myhrvold et al. (2015), An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles
- [0978] Jones et al. (2009), PanTHERIA: a species-level database of life history, ecology, and geography of extant and recently extinct mammals
- [0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
- [0420] White and Seymour (2003), Mammalian basal metabolic rate is proportional to body mass2/3 (PubMed)
- [0434] Ronald Nowak (1999), Walker's Mammals of the World
External Resources
- Integrated Taxonomic Information System
- ITIS 180606
- Animal Diversity Web
- ADW account
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 9630
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google