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AnAge entry for Sciurus niger

Classification (HAGRID: 03491)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Sciuridae
                    Genus: Sciurus
SpeciesSciurus niger
Common nameEastern fox squirrel

Lifespan, ageing, and relevant traits

Maximum longevity16 years (captivity)
Sourceref. 671
Sample sizetiny
Data qualityacceptable
Observations

One wild born specimen was about 16 years of age when it died in captivity [0671].

Life history traits (averages)

Female sexual maturity353 days
Male sexual maturity353 days
Gestation44 days
Weaning84 days
Litter size3 (viviparous)
Litters per year1
Inter-litter interval
Weight at birth15 g
Weight at weaning
Adult weight800 g
Postnatal growth rate0.018 days-1 (from Gompertz function)
Maximum longevity residual117 %

Metabolism

No information on metabolism available.

References
[0777] Harper et al. (2007), Skin-derived fibroblasts from long-lived species are resistant to some, but not all, lethal stresses and to the mitochondrial inhibitor rotenone, PubMed
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
[0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
[0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves

External resources

Integrated Taxonomic Information SystemITIS 180172
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
Entrez

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Ageing literature

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ImagesGoogle Image search
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