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AnAge entry for Marmota monax

Classification (HAGRID: 03467)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Sciuridae
                    Genus: Marmota
SpeciesMarmota monax
Common nameWoodchuck

Lifespan, ageing, and relevant traits

Maximum longevity14 years (captivity)
Sourceref. 671
Sample sizemedium
Data qualityacceptable
Observations

Record longevity in captivity is 14 years [0671].

Life history traits (averages)

Female sexual maturity548 days
Male sexual maturity548 days
Gestation32 days
Weaning46 days
Litter size4.5 (viviparous)
Litters per year1
Inter-litter interval
Weight at birth27 g
Weight at weaning248 g
Adult weight4,000 g
Postnatal growth rate
Maximum longevity residual80 %

Metabolism

Typical body temperature310ºK or 37.0ºC or 98.6ºF
Basal metabolic rate3.6960 W
Body mass2650.0 g
Metabolic rate per body mass0.001395 W/g

References
[0776] Seluanov et al. (2007), Telomerase activity coevolves with body mass not lifespan, PubMed
[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
[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

External resources

Integrated Taxonomic Information SystemITIS 180137
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
Entrez

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