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The North American river otter (Lontra canadensis), also known as the northern river otter and river otter, is a semiaquatic mammal that lives only on the North American continent throughout most of Canada, along the coasts of the United States and its inland waterways. An adult North American river otter can weigh between 5.0 and 14 kg (11.0 ...
The North American River Otter River Otters are a native North American species who live throughout Canada, in the Pacific Northwest, all along eastern seaboard and Atlantic Coast, and throughout ...
Most species live beside water, but river otters usually enter it only to hunt or travel, otherwise spending much of their time on land to prevent their fur becoming waterlogged. Sea otters are considerably more aquatic and live in the ocean for most of their lives.
Male otters generally weigh between 15 to 20 pounds, with females being slightly smaller and can generally live for about 12-15 years in the wild. North American river otters cavort in an ...
The lifespan of wild mink is approximately two years; whereas, wild river otters may live longer than 10 years. River otters do not attain maturity until they are two to four years old.
The river otter's habitat is in water and on land. They create a burrow near the water as their den and easily adapt to other aquatic habitats. [4] They hunt during the night, and find food that is readily available to them. River otters have great swimming abilities and stay active during winter.
A medium-sized otter, the southern river otter's body can grow up to 70 cm (28 in) long, with the tail adding about 40 cm (16 in). Body weight averages about 5–10 kg (11–22 lb). Its fur is dark brown on the upper parts and a lighter cinnamon color or can be almost white on the underside.
Sea otter conservation began in the early 20th century, when the sea otter was nearly extinct due to large-scale commercial hunting. The sea otter was once abundant in a wide arc across the North Pacific ocean, from northern Japan to Alaska to Mexico. By 1911, hunting for the animal's luxurious fur had reduced the sea otter population to fewer ...