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AnAge entry for Spermophilus lateralis

Classification (HAGRID: 03498)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Sciuridae
                    Genus: Spermophilus
SpeciesSpermophilus lateralis
Common nameGolden-mantled ground squirrel

Lifespan, ageing, and relevant traits

Maximum longevity10.4 years (captivity)
Sourceref. 671
Sample sizesmall
Data qualityacceptable
Observations

In the wild, these animals appear to live up to 7 years [0633]. One captive specimen lived 10.4 years [0671].

Life history traits (averages)

Female sexual maturity637 days
Male sexual maturity
Gestation30 days
Weaning37 days
Litter size5.12 (viviparous)
Litters per year0.94
Inter-litter interval
Weight at birth6.26 g
Weight at weaning74.2 g
Adult weight157.6 g
Postnatal growth rate0.0411 days-1 (from Gompertz function)
Maximum longevity residual98 %

Metabolism

Typical body temperature309ºK or 36.3ºC or 97.3ºF
Basal metabolic rate0.9670 W
Body mass249.6 g
Metabolic rate per body mass0.003874 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
[0676] Purvis and Harvey (1995), Mammal life-history evolution: a comparative test of Charnov’s model
[0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
[0633] Bartels and Thompson (1993), Spermophilus lateralis
[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 180154
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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