|Binomial name||Lontra canadensis|
The river otter is a smart, semiaquatic mammal from northern North America. It has short, very dense fur. Their colors vary from gray to brown, with a lighter underbody.
The river otter measures from 66 to 107 cm and weighs from 5 to 14 kg. This carnivore eats mostly fish, turtles, frogs, crayfish, and insects.
They live in aquatic habitats in the northern part of North America. Their lifespan is 8 to 9 years in the wild and 15 to 20 years in captivity.