North American River Otter

Scientific Name: Lontra canadensis

Category: mammal

North American River Otter

Brief Description

A semi-aquatic mammal characterized by a sleek, torpedo-shaped body, short legs, webbed feet, and a thick tail, typically found resting on logs near water.

Characteristics

Dark brown fur with a lighter silvery-gray throat and chin, small ears, long whiskers, a muscular tapered tail, and fully webbed feet.

Habitat

In and along freshwater and coastal marine habitats including rivers, lakes, marshes, and estuaries.

When to Find It

Active year-round, primarily during early morning and late evening hours.

Conservation Status

Least Concern

Ecological Role

Acts as an apex predator in aquatic ecosystems, helping to maintain healthy fish populations and indicating clean water health.

Easily Confused With

Distinguished from sea otters by living mostly in freshwater and lacking the habit of floating on their backs, and from European otters by geographical range and subtle facial differences.

Observation Tips

Look near water bodies with abundant logs or banks, remain quiet, and use binoculars from a distance to avoid startling them.

Interesting Facts

River otters are highly playful and agile swimmers, capable of holding their breath underwater for up to eight minutes.