North American River Otter (Lontra canadensis) — Least Concern Mammalia

North American River Otter

Lontra canadensis

Conservation Status

Least Concern

Mammalia · Carnivora · Mustelidae

About

The North American river otter, also known as the northern river otter and river otter, is a semiaquatic mammal that is endemic to the North American continent throughout most of Canada and along the coasts of the United States and its inland waterways. An adult North American river otter can weigh between 5 and 14 kilograms (11–31 lb). The river otter is protected and insulated by a thick, water-repellent coat of fur.

Fun Fact

A 1994 river otter study reported findings of beaver remains in 27 of 1,191 scats analyzed.

Quick Facts

Habitat

Rivers, lakes, and marshes

Diet

Piscivore

Lifespan

8-13 years

Threats

  • Invasive Aquatic Species
  • Dam Construction

External Data Sources

Recent sightings on iNaturalist IUCN Red List profile

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