AnAge entry for Spermophilus tereticaudus

Classification (HAGRID: 03604)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Sciuridae
                    Genus: Spermophilus
Species
Spermophilus tereticaudus
Common name
Round-tailed ground squirrel

Lifespan, ageing, and relevant traits

Maximum longevity
8.9 years (captivity)
Source
ref. 671
Sample size
Tiny
Data quality
Acceptable
Observations

One wild born specimen was about 8.9 years of age when it died in captivity [0671].

Life history traits (averages)

Female sexual maturity
325 days
Male sexual maturity
325 days
Gestation
28 days
Weaning
39 days
Litter size
5.4 (viviparous)
Litters per year
1
Inter-litter interval
Weight at birth
3.9 g
Weight at weaning
75 g
Adult weight
163.3 g
Postnatal growth rate
Maximum longevity residual
83%

Metabolism

Typical body temperature
309ºK or 36.3ºC or 97.3ºF
Basal metabolic rate
0.5010 W
Body mass
125.1 g
Metabolic rate per body mass
0.004005 W/g

References

External Resources

Integrated Taxonomic Information System
ITIS 180160
Animal Diversity Web
ADW account
Encyclopaedia of Life
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Genome Project
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Entrez
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Ageing Literature
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