A river otter may swim at speeds up to 9.7 km/hr (6 mph), and remain submerged for several minutes at a time, diving 13.7 m (45 ft) or covering 402 m (1320 ft) while submerged. Although river otters ...

Giant river otters are the longest of the world's 13 otter species with males reaching a length of 6 ft. and a weight of approximately 75 lbs. These endangered animals are commonly called "River ...

The playful North American river otter is equally at home in the water ... They also have webbed feet, water repellent fur to keep them dry and warm, and nostrils and ears that close in the ...