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AnAge entry for Dicrostonyx groenlandicus

Classification (HAGRID: 03297)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Muridae
                    Genus: Dicrostonyx
SpeciesDicrostonyx groenlandicus
Common nameCollared lemming

Lifespan, ageing, and relevant traits

Maximum longevity3.3 years
Sourceref. 434
Sample sizemedium
Data qualityacceptable
Observations

These animals can live up to 3.3 years [0434].

Life history traits (averages)

Female sexual maturity40 days
Male sexual maturity85 days
Gestation20 days
Weaning16 days
Litter size3.4 (viviparous)
Litters per year8.5
Inter-litter interval26 days
Weight at birth4.35 g
Weight at weaning23 g
Adult weight66 g
Postnatal growth rate0.0402 days-1 (from Gompertz function)
Maximum longevity residual35 %

Metabolism

Typical body temperature312ºK or 38.4ºC or 101.1ºF
Basal metabolic rate0.4590 W
Body mass56.8 g
Metabolic rate per body mass0.008081 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
[0680] Wootton (1987), The effects of body mass, phylogeny, habitat, and trophic level on mammalian age at first reproduction
[0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves

External resources

Integrated Taxonomic Information SystemITIS 180328
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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