AnAge entry for Sorex cinereus
Classification (HAGRID: 03225)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Soricomorpha
Family: Soricidae
Genus: Sorex
- Species
- Sorex cinereus
- Common name
- Cinereus shrew
- Synonyms
- Sorex cinereus nigriculus
Lifespan, ageing, and relevant traits
- Maximum longevity
- Not yet established
- Observations
Little is known about the longevity of these animals but they have been estimated to live up to 1.8 years [0610].
Life history traits (averages)
- Female sexual maturity
- 154 days
- Male sexual maturity
- Gestation
- 19 days
- Weaning
- 23 days
- Litter size
- 6.22 (viviparous)
- Litters per year
- Inter-litter interval
- Weight at birth
- 0.28 g
- Weight at weaning
- 3.5 g
- Adult weight
- 4.3 g
- Postnatal growth rate
- 0.216 days-1 (from Gompertz function)
Metabolism
- Typical body temperature
- 312ºK or 38.4ºC or 101.1ºF
- Basal metabolic rate
- 0.2380 W
- Body mass
- 5.2 g
- Metabolic rate per body mass
- 0.045769 W/g
References
- [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
- [0538] Don Wilson and Sue Ruff (1999), The Smithsonian Book of North American Mammals
- [0678] Symonds (1999), Life histories of the Insectivora: the role of phylogeny, metabolism, and sex differences
- [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
- [0680] Wootton (1987), The effects of body mass, phylogeny, habitat, and trophic level on mammalian age at first reproduction
- [0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves
External Resources
- Integrated Taxonomic Information System
- ITIS 179929
- Animal Diversity Web
- ADW account
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 36803
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google