They tend … It is recognized by its powerful neck and elongated body. The North American river otter is considered a medium to large sized otter, with adults ranging in length from 3 to 5 feet and weighing between 10 and 30 pounds. River otters have quite a large range. Often an otter will repeatedly slide down a muddy bank into the water much like a child at a water park. https://wildlifenutritionriverotter.weebly.com/food-habits-and-diet.html The North American river otter (Lontra canadensis) is a semiaquatic mammal in the weasel family.While it may simply be called the "river otter" in North America (to distinguish it from the sea otter) there are other river otter species throughout the world. They inhabit both coastal regions and inland waterways. It makes its home in a burrow near the water's edge, and can thrive in river, lake, swamp, or estuary ecosystems. The range of the river otter is throughout Virginia. River Otter Facts. The largest component of the diet is … River otters can be found in Canada, the Pacific North West, the Atlantic States, and the Gulf of Mexico. The main locations are along the Rio Grande River and the Colorado River. They are highly adaptable animals so as long as they have access to enough food and water they can thrive. Boomer came to CMA to be a social partner for Walle, a rescued and non-releasable otter, who was residing by himself at that time. 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. The adult male weighs around 11.3 kg (25 lb); while the female weighs up to 8.3 kg (18 lb). The fur on their backs is generally dark brown, and their undersides vary from light brown to gray. The family group stays together for 6 months-1 year. An adult North American river otter can weigh between 5.0 and 14 kg (11.0 and 30.9 lb). Numerous species and varieties of fresh and anadromous fishes are eaten, but shell-fish, crayfish, amphibians, and reptiles are also frequently eaten, as are several species of crabs in coastal marshes. Boomer, a North American river otter, was born in January 2018 and was transferred to CMA on October 15, 2018, from another animal care facility. River Otters Are Found in Aquatic Habitats throughout North America North American River Otters Range Map. Despite its common name, the North American river otter is equally comfortable in either coastal marine or freshwater habitats. Distribution. The playful North American river otter is equally at home in the water and on land. River otter reaches a … The diet of the river otter throughout its range is primarily fish. Mullet, Lake smelt, feline diet, silversides, trout . They are active any hour (peak feeding dawn-midmorning, evening) and season. 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