RMKCGBHJ–Close up of two North American river otters (Lontra canadensis) in captivity at Slimbridge Wetland Reserve, UK, wet fur after a swim.

RFKNPGC9–North American river otter (Lontra canadensis) resting on a wooden dock

RF2JC82JA–North American river otter in snow

RME29M35–Young North American River Otter (Lontra canadensis) playing in the marsh, Egan's Creek Greenway, Florida

RMG0F72Y–River otter cubs while resting - Lutra lutra

RM2AECAFD–A North American River Otter, Lontra canadensis, fishing for trout on a river in the Cascade Mountains of central Oregon.

RMKXH2R6–Close up of North American river otters (Lontra canadensis) in captivity at Slimbridge Wetland Reserve, UK, going for a swim. Captive otter in water.

RMDAYYEB–Stock photo of a North American river otter pup.

RF2JC82WJ–River otter hunting on shore

RFMETACM–Wild North American River Otter (Lontra canadensis) in the ocean near Nanaimo, British Columbia

RMCXTWT7–River Otter pups climb on the back of their mother, Northern Rockies

RF2JC81XC–River otters hunting