• [Wiki] http://en.wikipedia.org/wiki/Hydrictis_maculicollis.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Hydrictis_maculicollis.
• [ADW] https://animaldiversity.org/accounts/Hydrictis_maculicollis/.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [ReedLomb2009] Reed-Smith, J., Lombardi, C. D., Henry, B., Myers, G., and anf Juan Sabalones, J. F. (2009). Caring for asian small-clawed, cape clawless, nearctic, and spotted-necked otters. Technical report, Otterspecialistgroup.