AnAge entry for Tamiasciurus hudsonicus

Classification (HAGRID: 03186)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Sciuridae
                    Genus: Tamiasciurus
Species
Tamiasciurus hudsonicus
Common name
Red squirrel

Lifespan, ageing, and relevant traits

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

One captive specimen lived 9.8 years [0671]. In high density conditions selection favours faster growing offspring, which then have reduced adult lifespans [1284].

Life history traits (averages)

Female sexual maturity
342 days
Male sexual maturity
Gestation
37 days
Weaning
63 days
Litter size
4.2 (viviparous)
Litters per year
1.7
Inter-litter interval
Weight at birth
7 g
Weight at weaning
83.8 g
Adult weight
200 g
Postnatal growth rate
0.0216 days-1 (from Gompertz function)
Maximum longevity residual
89%

Metabolism

Typical body temperature
312ºK or 38.7ºC or 101.7ºF
Basal metabolic rate
1.6150 W
Body mass
219.6 g
Metabolic rate per body mass
0.007354 W/g

References

External Resources

Integrated Taxonomic Information System
ITIS 180166
Animal Diversity Web
ADW account (if available)
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 10009
Entrez
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Ageing Literature
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Internet
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