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AnAge entry for Mustela nivalis

Classification (HAGRID: 02547)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Carnivora
                Family: Mustelidae
                    Genus: Mustela
SpeciesMustela nivalis
Common nameCommon weasel

Lifespan, ageing, and relevant traits

Maximum longevity9.1 years (captivity)
Sourceref. 671
Sample sizesmall
Data qualityacceptable
Observations

One wild born specimen was still alive at 9.1 years of age [0671]. Anecdotal reports of animals living more than 10 years are plausible but remain unverified.

Life history traits (averages)

Female sexual maturity120 days
Male sexual maturity120 days
Gestation36 days
Weaning39 days
Litter size5 (viviparous)
Litters per year1.5
Inter-litter interval200 days
Weight at birth2.6 g
Weight at weaning43.5 g
Adult weight46.9 g
Postnatal growth rate0.0546 days-1 (from Gompertz function)
Maximum longevity residual103 %

Metabolism

No information on metabolism available.

References
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
[0730] Smith et al. (2003), Body mass of late Quaternary 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
[0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves

External resources

Integrated Taxonomic Information SystemITIS 180554
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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