AnAge entry for Lontra canadensis

Classification (HAGRID: 02178)

Taxonomy: Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Carnivora
                Family: Mustelidae
                    Genus: Lontra
Species: Lontra canadensis
Common name: Northern river otter
Synonyms: Lutra canadensis

Maximum longevity: 27 years (captivity)
Source: ref. 671
Sample size: Medium
Data quality: Acceptable
Observations: There is a delayed implantation and thus the total gestation time varies from 290 to 380 days. The actual embryonic development takes about 60-63 days [0443]. One wild born female was as old as 27 when she died in captivity [0671].

[1073] Jan Reed-Smith (2008), North American River Otter: Husbandry Notebook
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
[0443] Ronald Nowak (2003), Walker's Marine Mammals of the World
[0610] Ernest (2003), Life history characteristics of placental non-volant mammals
[0434] Ronald Nowak (1999), Walker's Mammals of the World
[0538] Don Wilson and Sue Ruff (1999), The Smithsonian Book of North American Mammals
[0676] Purvis and Harvey (1995), Mammal life-history evolution: a comparative test of Charnov's model
[0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
[0680] Wootton (1987), The effects of body mass, phylogeny, habitat, and trophic level on mammalian age at first reproduction