<P> The North American river otter ( Lontra canadensis ) , also known as the northern river otter or the common otter , is a semiaquatic mammal endemic to the North American continent found in and along its waterways and coasts . An adult river otter can weigh between 5.0 and 14 kg ( 11.0 and 30.9 lb ) . The river otter is protected and insulated by a thick , water - repellent coat of fur . </P>
<P> The North American river otter ( Lontra canadensis ) , also known as the northern river otter or the common otter , is a semiaquatic mammal endemic to the North American continent found in and along its waterways and coasts . An adult river otter can weigh between 5.0 and 14 kg ( 11.0 and 30.9 lb ) . The river otter is protected and insulated by a thick , water - repellent coat of fur . </P>
where do river otters live in the winter
where do river otters live in the winter
North American continent
North American continent