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North American River Otter

River otter
River Otter


Least concern conservation status

Scientific Classification

Binomial nameLontra canadensis

Range Map

North American River Otter range map
Range of species in blue


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.