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AnAge entry for Tadarida brasiliensis

Classification (HAGRID: 02674)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Chiroptera (Taxon entry)
                Family: Molossidae
                    Genus: Tadarida
SpeciesTadarida brasiliensis
Common nameBrazilian free-tailed bat

Lifespan, ageing, and relevant traits

Maximum longevity12 years (captivity)
Sourceref. 671
Sample sizetiny
Data qualityacceptable
Observations

In the wild, these animals live at least 8 years [0477]. One 12 year old specimen was still alive in captivity [0671].

Life history traits (averages)

Female sexual maturity273 days
Male sexual maturity547 days
Gestation78 days
Weaning
Litter size1 (viviparous)
Litters per year
Inter-litter interval365 days
Weight at birth2.8 g
Weight at weaning
Adult weight12.5 g
Postnatal growth rate0.112 days-1 (from Gompertz function)
Maximum longevity residual167 %

Metabolism

Typical body temperature309ºK or 36.0ºC or 96.8ºF
Basal metabolic rate0.1170 W
Body mass13.3 g
Metabolic rate per body mass0.008797 W/g

References
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
[0477] Brunet-Rossinni and Austad (2004), Ageing studies on bats: a review, 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
[0730] Smith et al. (2003), Body mass of late Quaternary mammals
[0424] Wilkinson and South (2002), Life history, ecology and longevity in bats, PubMed
[0434] Ronald Nowak (1999), Walker's Mammals of the World
[0480] Widmaier et al. (1996), High plasma cholesterol, but low triglycerides and plaque-free arteries, in Mexican free-tailed bats, PubMed
[0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
[0478] Baudry et al. (1986), Low levels of calpain activity in Chiroptera brain: implications for mechanisms of aging, PubMed
[0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves

External resources

Integrated Taxonomic Information SystemITIS 180088
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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Ageing literature

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