• [Wiki] http://en.wikipedia.org/wiki/Enhydra_lutris.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Enhydra_lutris.
• [ADW] http://animaldiversity.org/accounts/Enhydra_lutris/.
• [HutcAtki2015] Hutchinson, E., Atkinson, S., and Huntington, K. B. (2015). Growth and sexual maturation in male northern sea otters (Enhydra lutris kenyoni) from Gustavus, Alaska. J. Mammal., 96(5):1045--1054.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.