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AnAge entry for Spermophilus citellus

Classification (HAGRID: 03496)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Sciuridae
                    Genus: Spermophilus
SpeciesSpermophilus citellus
Common nameEuropean ground squirrel

Lifespan, ageing, and relevant traits

Maximum longevity6.7 years (captivity)
Sourceref. 671
Sample sizemedium
Data qualityacceptable
ObservationsNo observations are presently available

Life history traits (averages)

Female sexual maturity314 days
Male sexual maturity314 days
Gestation27 days
Weaning34 days
Litter size6 (viviparous)
Litters per year1.3
Inter-litter interval
Weight at birth
Weight at weaning
Adult weight217 g
Postnatal growth rate
Maximum longevity residual60 %

Metabolism

Typical body temperature311ºK or 37.5ºC or 99.5ºF
Basal metabolic rate1.2720 W
Body mass240.0 g
Metabolic rate per body mass0.005300 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
[0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
[0542] Bernhard Grzimek (1990), Grzimek's Encyclopedia of Mammals

External resources

Integrated Taxonomic Information SystemITIS 632446
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
Entrez

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Ageing literature

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