AnAge entry for Blarina brevicauda

Classification (HAGRID: 03640)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Soricomorpha
                Family: Soricidae
                    Genus: Blarina
Species
Blarina brevicauda
Common name
Short-tailed shrew
Synonyms
Blarina telmalestes

Lifespan, ageing, and relevant traits

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

In the wild, these animals have been estimated to live up to 2.5 years [0542], which could be overestimated. In captivity, they do not appear to live more than 2.2 years [0671], though some anecdotes indicate a longer lifespan.

Life history traits (averages)

Female sexual maturity
46 days
Male sexual maturity
65 days
Gestation
17 days
Weaning
23 days
Litter size
6 (viviparous)
Litters per year
3
Inter-litter interval
Weight at birth
1.34 g
Weight at weaning
Adult weight
21.6 g
Postnatal growth rate
0.188 days-1 (from Gompertz function)
Maximum longevity residual
28%

Metabolism

Typical body temperature
Not yet available
Basal metabolic rate
0.3440 W
Body mass
20.9 g
Metabolic rate per body mass
0.016459 W/g

References

External Resources

Integrated Taxonomic Information System
ITIS 179967
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 9387
Entrez
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Ageing Literature
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Images
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Internet
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