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AnAge entry for Reithrodontomys megalotis

Classification (HAGRID: 03399)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Muridae
                    Genus: Reithrodontomys
SpeciesReithrodontomys megalotis
Common nameWestern harvest mouse

Lifespan, ageing, and relevant traits

Maximum longevityNot yet established
Observations

Little is known about the longevity of these animals, but one specimen lived at least 3.6 years in captivity [0671].

Life history traits (averages)

Female sexual maturity107 days
Male sexual maturity80 days
Gestation23 days
Weaning21 days
Litter size3.3 (viviparous)
Litters per year
Inter-litter interval28 days
Weight at birth1.33 g
Weight at weaning
Adult weight11 g
Postnatal growth rate

Metabolism

Typical body temperature310ºK or 36.8ºC or 98.2ºF
Basal metabolic rate0.1300 W
Body mass9.0 g
Metabolic rate per body mass0.014444 W/g

References
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
[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
[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 180343
Animal Diversity WebADW account
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