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AnAge entry for Phenacomys intermedius

Classification (HAGRID: 03375)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Muridae
                    Genus: Phenacomys
SpeciesPhenacomys intermedius
Common nameWestern heather vole

Lifespan, ageing, and relevant traits

Maximum longevityNot yet established
Observations

Unlike females, males only breed in their second year. Estimates based on the amount of tooth wear suggested that these animals live up to 4 years in the wild [0627]. Without more detailed studies maximum longevity is classified as unknown.

Life history traits (averages)

Female sexual maturity37 days
Male sexual maturity
Gestation22 days
Weaning19 days
Litter size4.58 (viviparous)
Litters per year2.3
Inter-litter interval
Weight at birth2.18 g
Weight at weaning15.3 g
Adult weight33 g
Postnatal growth rate

Metabolism

Typical body temperature311ºK or 37.9ºC or 100.2ºF
Basal metabolic rate0.3750 W
Body mass21.5 g
Metabolic rate per body mass0.017442 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
[0434] Ronald Nowak (1999), Walker's Mammals of the World
[0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
[0627] McAllister and Hoffmann (1988), Phenacomys intermedius
[0680] Wootton (1987), The effects of body mass, phylogeny, habitat, and trophic level on mammalian age at first reproduction

External resources

Integrated Taxonomic Information SystemITIS 180359
Animal Diversity WebADW account
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