The river otter is protected and insulated by a thick, water-repellent coat of fur. They are found in wetlands and along lake and river banks throughout the south of Asia, but their numbers are dwindling as habitat is lost. They have, as the name suggests, small nails on their paws that are shorter than the length of the digits. In the latter two they get most of their food. Although otters do not build them, they will sometimes use abandoned dams. But the sea otter’s habitat is unique, as they only live in shallow coastal waters in the North Pacific ocean. Otter Dens. Africa The north American range of sea otters extends from the Aleutian Islands to Prince William Sound. These have hidden, underwater entrances for protection from predators, which makes them attractive to otters. North American river otters were hunted and trapped extensively for their fur in the 19th and 20th centuries, and are still hunted in some places. The length of an otter’s dives depends on the individual species. The North American river otter (Lontra canadensis), also known as the northern river otter or common otter, is a semiaquatic mammal endemic to the North American continent found in and along its waterways and coasts. Most sea otters call Alaska home. Otters can be trapped during the regulated trapping season, or with a depredation permit outside of the trapping season, if damage has occurred. Where do sea otters live map? Approximately 90 percent of the world’s sea otters live in coastal Alaska. River otters are found throughout most of North America from the Rio Grande to Canada and Alaska, except for in arid deserts and the treeless Arctic. 3. Neotropical otters range from Uruguay north to Central America and Mexico. An adult North American river otter can weigh between 5.0 and 14 kg (11.0 and 30.9 lb). Southern river otters are found in Argentina and Chile. Otters live in a wide variety of watery locations, from the mighty Amazon to the heart of Singapore. Their return to the Twin Cities is a success story for the Mississippi River, showing positive change in water quality and trapping regulations. River otters were nearly extirpated from Minnesota by the early twentieth century from pollution, habitat loss and trapping. Giant otters are found throughout almost all of South America. Small-clawed otters live in family groups of 6 to 12 individuals. Other Shelters. Marine otters live along the Pacific coast of South America, ranging from northern Peru to Tierra del Fuego. River otter trapping regulations As predators that are near the top of the food chain, otters are hugely important for keeping their environments balanced. Conservation. Please do not trap live otters and then drown them, as it is considered illegal in many states and is a painful way for any animal to die, which can last anywhere up to eight minutes. River otters generally live alone or in small social groups. Photo by Bob Winfree, National Park Service. They can live eight to nine years in the wild but have lived up to 21 years in captivity. A sea otter snoozes on its back -- showing its hind legs, tail and webbed feet, which make otters great swimmers. Any burrow or den taken over by these animals is called a holt. Where do sea otters live in the world? They live in riparian zones, often in the same areas as beavers. The northern sea otter tends to haul out more than others. Habitat of the Otter. Be advised that any attempt to poison an otter is considered illegal, and would cause … Their aquatic habitats can be both marine and fresh … It is much easier to list the habitats that river otters don’t live in than to list the areas they do. There are three subspecies of sea otters: southern, northern and Russian sea otters. 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