Lontra canadensis (northern river otter)
| Class | Mammalia |
| Order | Carnivora |
| Family | Mustelidae |
| Genus | Lontra |
| Species | Lontra canadensis |
| Common | northern river otter |

| Diet | Mainly aquatic organisms like fish, crayfish, amphibians, and occasionally plants. |
| Habitat | Freshwater and coastal marine habitats. |
| Description | Formerly called Lutra canadensis. Pelage dark brown with whitish chin and chest. Webbed toes. Tail long and tapering. |
| Skull Characteristics | 36 teeth, with 3 lower incisors, unlike Enhydra. Upper molar squarish, NOT constricted, carnassial moderately developed. Condyloid process locked into glenoid fossa. |
| Notes | Links to more species information:
Smithsonian Animal Diversity Web |