Lontra canadensis English: North American River Otters, Lontra canadensis (per Schreber, 1777. More commonly used, but allegedly incorrect latin name: Lutra canadensis). I took the photo in San Francisco Zoo on August 29, 2005.  French: Loutre de rivière, Lontra canadensis. Image prise au zoo de San Fransisco le 29 Août 2005.