North American River Otter,Lontra canadensis. Also Northern River Otter or Common OtterNorth American River Otter,Lontra canadensis. Also Northern River Otter or Common OtterNorth American River Otter,Lontra canadensis. Also Northern River Otter or Common OtterNorth American River Otter,Lontra canadensis. Also Northern River Otter or Common OtterNorth American River Otter,Lontra canadensis. Also Northern River Otter or Common OtterNorth American River Otter,Lontra canadensis. Also Northern River Otter or Common OtterNorth American River Otter,Lontra canadensis. Also Northern River Otter or Common OtterNorth American River Otter,Lontra canadensis. Also Northern River Otter or Common OtterSea Otter, Enhydra lutris