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AnAge entry for Tamias amoenus

Classification (HAGRID: 03509)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Sciuridae
                    Genus: Tamias
SpeciesTamias amoenus
Common nameYellow-pine chipmunk

Lifespan, ageing, and relevant traits

Maximum longevityNot yet established
Observations

Not much is known about the longevity of these animals, but one specimen lived 5.2 years in captivity [0671].

Life history traits (averages)

Female sexual maturity365 days
Male sexual maturity365 days
Gestation30 days
Weaning44 days
Litter size5.19 (viviparous)
Litters per year1
Inter-litter interval
Weight at birth2.62 g
Weight at weaning19 g
Adult weight48.2 g
Postnatal growth rate0.0283 days-1 (from Gompertz function)

Metabolism

Typical body temperature310ºK or 37.0ºC or 98.6ºF
Basal metabolic rate0.5000 W
Body mass55.7 g
Metabolic rate per body mass0.008977 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
[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
[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 180190
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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