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AnAge entry for Sciurus carolinensis

Classification (HAGRID: 03485)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Sciuridae
                    Genus: Sciurus
SpeciesSciurus carolinensis
Common nameEastern gray squirrel

Lifespan, ageing, and relevant traits

Maximum longevity23.6 years (captivity)
Sourceref. 671
Sample sizesmall
Data qualityacceptable
ObservationsNo observations are presently available

Life history traits (averages)

Female sexual maturity343 days
Male sexual maturity401 days
Gestation44 days
Weaning66 days
Litter size4 (viviparous)
Litters per year2
Inter-litter interval
Weight at birth15 g
Weight at weaning200 g
Adult weight533 g
Postnatal growth rate0.0234 days-1 (from Gompertz function)
Maximum longevity residual185 %

Metabolism

Typical body temperature312ºK or 38.7ºC or 101.7ºF
Basal metabolic rate2.0620 W
Body mass440.0 g
Metabolic rate per body mass0.004686 W/g

References
[0776] Seluanov et al. (2007), Telomerase activity coevolves with body mass not lifespan, PubMed
[0715] Lorenzini et al. (2005), Cellular replicative capacity correlates primarily with species body mass not longevity, 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
[0420] White and Seymour (2003), Mammalian basal metabolic rate is proportional to body mass2/3, PubMed
[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
[0264] Zigman et al. (1985), Biochemical features of the grey squirrel lens, PubMed
[0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves
[0263] Barkalow and Soots (1975), Life span and reproductive longevity of the gray squirrel, Sciurus c. carolinensis Gmelin, PubMed

External resources

Integrated Taxonomic Information SystemITIS 180175
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
Entrez

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