According to the Game Commission, an otter is the most adept in water of all the land mammals. It can travel underwater a quarter-mile without coming up for air. It can also dive 35 to 50 feet and ...

The playful North American river otter is equally at home in the water and on land. It makes its home in a burrow near the water's edge, and can thrive in river, lake, swamp, or estuary ecosystems.