The family group stays together for 6 months-1 year. 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. 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. The diet of North American River Otters reflects their aquatic habits. River otter reaches a … Life span for the otter in the wild is usually 8-9 years. 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. The river otter is protected and insulated by a thick, water-repellent coat of fur. They tend … The adult male weighs around 11.3 kg (25 lb); while the female weighs up to 8.3 kg (18 lb). The male avoids the area of birth but rejoins the family while the young learn to swim. The Northern River Otter is found both in Canada and the United States. 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. https://wildlifenutritionriverotter.weebly.com/food-habits-and-diet.html It makes its home in a burrow near the water's edge, and can thrive in river, lake, swamp, or estuary ecosystems. The fur on their backs is generally dark brown, and their undersides vary from light brown to gray. The weight of a North American river otter measures around 5 – 14 kg (11 – 31 lb). They are highly adaptable animals so as long as they have access to enough food and water they can thrive. The range of the river otter is throughout Virginia. River otters have quite a large range. The largest component of the diet is … River Otters Are Found in Aquatic Habitats throughout North America North American River Otters Range Map. An adult North American river otter can weigh between 5.0 and 14 kg (11.0 and 30.9 lb). River Otter Facts. Distribution. River otters can be found in Canada, the Pacific North West, the Atlantic States, and the Gulf of Mexico. Often an otter will repeatedly slide down a muddy bank into the water much like a child at a water park. The playful North American river otter is equally at home in the water and on land. They inhabit both coastal regions and inland waterways. Mullet, Lake smelt, feline diet, silversides, trout . Despite its common name, the North American river otter is equally comfortable in either coastal marine or freshwater habitats. It is recognized by its powerful neck and elongated body. 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. 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