AnAge entry for Microtus pennsylvanicus
Classification (HAGRID: 03440)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Rodentia
Family: Muridae
Genus: Microtus
- Species
- Microtus pennsylvanicus
- Common name
- Meadow vole
- Synonyms
- Microtus nesophilus
Lifespan, ageing, and relevant traits
- Maximum longevity
- Not yet established
- Observations
Little is known about the longevity of these animals, though they have been estimated to live up to 3.9 years [0511].
Life history traits (averages)
- Female sexual maturity
- 29 days
- Male sexual maturity
- 37 days
- Gestation
- 21 days
- Weaning
- 14 days
- Litter size
- 5.5 (viviparous)
- Litters per year
- 2.6
- Inter-litter interval
- 21 days
- Weight at birth
- 2.46 g
- Weight at weaning
- 11.52 g
- Adult weight
- 49 g
- Postnatal growth rate
- 0.0397 days-1 (from Gompertz function)
Metabolism
- Typical body temperature
- 312ºK or 38.5ºC or 101.3ºF
- Basal metabolic rate
- 0.4280 W
- Body mass
- 38.2 g
- Metabolic rate per body mass
- 0.011204 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
- [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
- [0511] Ronald Nowak and John Paradiso (1983), Walker's Mammals of the World
External Resources
- Integrated Taxonomic Information System
- ITIS 180297
- Animal Diversity Web
- ADW account
- Encyclopaedia of Life
- Search EOL
- Genome Project
- Search NCBI
- Entrez
- Search all databases or Entrez Taxonomy search
- Ageing Literature
- Search Google Scholar or Search PubMed or Search Scirus
- Images
- Google Image search
- Internet
- Search Google

