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AnAge entry for Eptesicus fuscus

Classification (HAGRID: 02721)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Chiroptera (Taxon entry)
                Family: Vespertilionidae
                    Genus: Eptesicus
SpeciesEptesicus fuscus
Common nameBig brown bat

Lifespan, ageing, and relevant traits

Maximum longevity19 years (wild)
Sourceref. 424
Sample sizemedium
Data qualityacceptable
Observations

They have been recorded to live up to 19 years in the wild [0424].

Life history traits (averages)

Female sexual maturity547 days
Male sexual maturity730 days
Gestation35 days
Weaning
Litter size2 (viviparous)
Litters per year
Inter-litter interval365 days
Weight at birth3.9 g
Weight at weaning17.2 g
Adult weight23 g
Postnatal growth rate0.062 days-1 (from Gompertz function)
Maximum longevity residual241 %

Metabolism

Typical body temperature309ºK or 36.0ºC or 96.8ºF
Basal metabolic rate0.1130 W
Body mass13.3 g
Metabolic rate per body mass0.008496 W/g

References
[0715] Lorenzini et al. (2005), Cellular replicative capacity correlates primarily with species body mass not longevity, PubMed
[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
[0424] Wilkinson and South (2002), Life history, ecology and longevity in bats, PubMed
[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
[0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves

External resources

Integrated Taxonomic Information SystemITIS 180008
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
Entrez

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Ageing literature

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