There are three subspecies of sea otters: southern, northern and Russian sea otters. Figure 1. Habitat of the Sea Otter. 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. | Snow Leopard Diet, What Do Malayan Tigers Eat? Beavers are important to otters because the marshes they create make ideal otter habitat. Habitat preference of the otter was obtained from the taking of 11 habitat variables in 225 points with traces and 95 without traces. Sea otters inhabit shallow coastal waters off the eastern North Pacific. The North American river otter occurs in much of Canada and the United States, except for portions of the Southwest, and in Mexico in the Rio Grande and Colorado River delta areas. Download (8.1 MB) National Ecosystem and Ecosystem Services Pilot . They spend almost their entire life in water and rarely do they come ashore to rest. When Do Raccoons Have Babies? In southern Chile the marine otter is found almost exclusively along exposed rocky seashores; farther north it may inhabit estuaries and fresh water. Increases in otter numbers are likely the result of improved aquatic habitats, an expanding beaver population, and similar restoration efforts in neighboring states. Sand Dune Monitoring Project 2011. In their adult stages of life, Sea Otters will weigh from 7 to 31 pounds. Northern Sea Otter Species Profile Alaska Department Of Fish And Game. Map depicting reintroduction points and study area for the assessment of using PATREC model values to estimate proportion of visits with river otter use in Illinois, 2012–2014. It occurs between southeastern Alaska and British Columbia. Map of the study area, showing the sites where fecal samples (black dots) of giant otters were collected for diet analysis in the Southern Pantanal, between September 2008 and June 2011. In the central basin, they are apparently limited to large rivers, such as the Columbia, Yakima, and Walla Walla. Predators of the otter include coyotes, bobcats, foxes, and owls. They have long, narrow bodies, with long tails and short legs. They prefer tributaries of major, unpolluted drainages where there … Populations in coastal areas utilise shallow, inshore marine areas for feeding but also require fresh water for bathing and terrestrial areas for resting and breeding holts. Raccoons in Daylight, What Eats Arctic Foxes? Giant otters (genus Pteronura) are found mainly in slow-moving rivers and creeks within forests, swamps, and marshes. http://www.arkive.org/sea-otter/enhydra-lutris/, If you have any suggestion or comment or anything you want to share at all, feel free to reach out by emailing at: This animal’s lovely waterproof pelt, which allows it to regulate its temperature, in the 1700s-1800s, a regular part of French fur trade, has meant this animal has been hunted for hundreds of years. The river otter is protected and insulated by a thick, water-repellent coat of fur. height="250px". Their aquatic habitats can be both marine and fresh water: streams, rivers, lakes, ponds and marshes. Sea otters are furry, playful mammals known for holding hands with one another. Shark attacks are now what cause the a mortality level higher than all other factors combined. – Lifespan, How Long Do Snow Leopards Live? Doroff, A. They are frequently found in protected harbors, barrier reefs, and kelp forests that offer shelter from wind and waves. Can They See In The Dark? Habitat & Behavior. All otters have webbed feet to help propel them through the water, and most species have sharp claws. Sea otters often float at the water's surface in forests of kelp, or giant seaweed, and entangle themselves to keep from moving in the rolling sea. the results indicated that the seven rivers considered are heterogeneous both in terms of habitat suitability and in terms of connectivity. Feeding, habitat, distribution, reproduction, anatomy and more. One of the project’s concrete actions is to increase riparian vegetation along the rivers in the Allow catchment. 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. Due to their diet and habitat, otters may serve as indicators of the health of aquatic ecosystems. They spend almost their entire life in water and rarely do they come ashore to rest. The Russian sea otter is found off the western and northern Pacific. They are most commonly found in coral reefs and rocky coastlines. We searched for fresh latrines of giant otters in most of the study area using a motorboat powered by a 15-hp motor, but some water bodies beside roads only could be accessed by land. 1997). They have four legs to move easily on land, and a long tail to swim through the water. The sea otters usually live near the shore waters of the North Pacific, from Japan, north to the coast of the Kamchatka Peninsula, then from Alaska down along the Pacific coast of North America to Baja, California. Th… Do They Carry Diseases? River otter population trends are tracked through annual river otter bridge surveys, reported sightings, and harvest trends. Focal study area for river otter in New York State. – Tiger Running Speed, How Long Do White Tigers Live? 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