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AnAge entry for Aplodontia rufa

Classification (HAGRID: 03178)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Aplodontiidae
                    Genus: Aplodontia
SpeciesAplodontia rufa
Common nameMountain beaver
SynonymsAplodontia olympica

Lifespan, ageing, and relevant traits

Maximum longevityNot yet established
Observations

These animals appear to live at least 6 years in the wild. Some estimates, although unverified, indicate they may live 10 years in the wild [0573]. Because longevity has not been studied in detail in captivity, maximum longevity is considered unknown.

Life history traits (averages)

Female sexual maturity730 days
Male sexual maturity730 days
Gestation29 days
Weaning56 days
Litter size2.75 (viviparous)
Litters per year1
Inter-litter interval365 days
Weight at birth25.5 g
Weight at weaning393 g
Adult weight1,125 g
Postnatal growth rate0.0288 days-1 (from Gompertz function)

Metabolism

Typical body temperature311ºK or 38.0ºC or 100.4ºF
Basal metabolic rate1.8920 W
Body mass706.8 g
Metabolic rate per body mass0.002677 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
[0434] Ronald Nowak (1999), Walker's Mammals of the World
[0441] William Burt et al. (1998), A Field Guide to Mammals
[0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
[0573] David Macdonald (1985), The Encyclopedia of Mammals
[0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves

External resources

Integrated Taxonomic Information SystemITIS 180133
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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