AnAge entry for Castor canadensis

Classification (HAGRID: 02490)

Taxonomy: Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Rodentia
                Family: Castoridae
                    Genus: Castor
Species: Castor canadensis
Common name: American beaver
Synonyms: Castor caecator, Castor canadensis phaeus, Castor canadensis acadicus, Castor canadensis baileyi, Castor canadensis belugae, Castor canadensis caecator, Castor canadensis canadensis, Castor canadensis carolinensis, Castor canadensis concisor, Castor canadensis duchesnei, Castor canadensis frondator, Castor canadensis idoneus, Castor canadensis labradorensis, Castor canadensis leucodontus, Castor canadensis mexicanus, Castor canadensis michiganensis, Castor canadensis missouriensis, Castor canadensis pallidus, Castor canadensis repentinus, Castor canadensis rostralis, Castor canadensis sagittatus, Castor subauratus shastensis, Castor subauratus subauratus, Castor canadensis taylori, Castor canadensis texensis

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 is available on life history. Please contact us if you wish to suggest or contribute data.

No information on metabolism is available.

[1136] Gomes et al. (2011), Comparative biology of mammalian telomeres: hypotheses on ancestral states and the roles of telomeres in longevity determination (PubMed)
[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