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AnAge entry for Sciurus griseus

Classification (HAGRID: 03488)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Sciuridae
                    Genus: Sciurus
SpeciesSciurus griseus
Common nameWestern gray squirrel

Lifespan, ageing, and relevant traits

Maximum longevityNot yet established
Observations

Little is known about the longevity of these animals. There are anecdotal reports of animals living up to 11 years, which is plausible. Record longevity for an individual in captivity, though, is 6.3 years [0671].

Life history traits (averages)

Female sexual maturity319 days
Male sexual maturity
Gestation44 days
Weaning61 days
Litter size3 (viviparous)
Litters per year1
Inter-litter interval
Weight at birth
Weight at weaning
Adult weight425 g
Postnatal growth rate

Metabolism

No information on metabolism available.

References
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
[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

External resources

Integrated Taxonomic Information SystemITIS 180176
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
Entrez

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Ageing literature

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AnAge database at the Human Ageing Genomic Resources.

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