The River Otter (Lontra canadensis) is a highly social, playful member of the weasel family, perfectly adapted for a semi-aquatic life across North America . Known for their energetic sliding, they are exceptional swimmers due to their streamlined body and fully webbed feet. They have dense, water-repellent fur for insulation. These active predators mainly eat fish and crustaceans, detecting them with sensitive whiskers. The otter is an important indicator of a healthy aquati