AnAge entry for Castor canadensis

Classification (HAGRID: 03280)

Taxonomy: Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Castoridae
                    Genus: Castor
Species: Castor canadensis
Common name: American beaver

Maximum longevity: 23.4 years (captivity)
Source: ref. 671
Sample size: Small
Data quality: Acceptable
Observations: It has been suggested that beavers may live as much as 50 years [0434], which is doubtful. One captive specimen was still alive after 23.4 years [0671].

No information on metabolism is available.

[0776] Seluanov et al. (2007), Telomerase activity coevolves with body mass not lifespan, PubMed
[0777] Harper et al. (2007), Skin-derived fibroblasts from long-lived species are resistant to some, but not all, lethal stresses and to the mitochondrial inhibitor rotenone, PubMed
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
[0434] Ronald Nowak (1999), Walker's Mammals of the World
[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
[0511] Ronald Nowak and John Paradiso (1983), Walker's Mammals of the World