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AnAge entry for Thomomys talpoides


Classification (HAGRID: 03233)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Geomyidae
                    Genus: Thomomys
SpeciesThomomys talpoides
Common nameNorthern pocket gopher

Lifespan, ageing, and relevant traits

Maximum longevityNot yet established
Observations

In the wild, these animals do not commonly live for more than two years [0538]. They have been reported to live up to 6 years, though [0610]. Little is known about their longevity in captivity and without more detailed studies their maximum longevity must be classified as unknown.

Life history traits (averages)

Female sexual maturity356 days
Male sexual maturity
Gestation28 days
Weaning40 days
Litter size5 (viviparous)
Litters per year1
Inter-litter interval
Weight at birth3.175 g
Weight at weaning
Adult weight104 g
Postnatal growth rate0.0618 days-1 (from Gompertz function)

Metabolism

Typical body temperature309ºK or 36.2ºC or 97.2ºF
Basal metabolic rate0.6790 W
Body mass97.6 g
Metabolic rate per body mass0.006957 W/g

References

[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
[0538] Don Wilson and Sue Ruff (1999), The Smithsonian Book of North American Mammals
[0434] Ronald Nowak (1999), Walker's Mammals of the World
[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
[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 180228
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
Entrez

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