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AnAge entry for Bufo americanus

Classification (HAGRID: 00841)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Amphibia (Taxon entry)
            Order: Anura
                Family: Bufonidae
                    Genus: Bufo
SpeciesBufo americanus
Common nameAmerican toad
SynonymsBufo terrestris americanus, Bufo terrestris copei

Lifespan, ageing, and relevant traits

Maximum longevity36 years (captivity)
Sourceref. 525
Sample sizemedium
Data qualityacceptable
Observations

In the wild, these animals do not commonly live more than one year and the maximum reported lifespan in the wild is 10 years. One captive individual lived to the age of 36 before it was killed by accident.

Life history traits (averages)

Female sexual maturity910 days
Male sexual maturity910 days
Incubation8 days
Metamorphosis63 days
Clutch size6,000 (oviparous)
Interbirth interval365 days
Adult weight21.7667 g

Metabolism

Typical body temperature288ºK or 14.9ºC or 58.7ºF
Resting metabolic rate0.0083 W
Body mass21.6 g
Metabolic rate per body mass0.000384 W/g

References
[0037] Gillooly et al. (2001), Effects of size and temperature on metabolic rate, PubMed
[0268] Harris et al. (2000), Species- and age-related differences in susceptibility to pesticide exposure for two amphibians, Rana pipiens, and Bufo americanus, PubMed
[0525] Smirina (1994), Age determination and longevity in amphibians, PubMed
[0426] The Edmonton Reptile and Amphibian Society
[0749] AmphibiaWeb

External resources

Integrated Taxonomic Information SystemITIS 173473
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
Entrez

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