Canadian Otter vs Common Eider

Lontra canadensis compared with Somateria mollissima

Key Differences

• Canadian Otter is Least Concern while Common Eider is Near Threatened.

Taxonomic Classification

Rank	Canadian Otter	Common Eider
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Anseriformes (Anseriformes)
Family	Mustelidae (Weasels & Otters)	Anatidae
Genus	Lontra	Somateria
Species	Lontra canadensis	Somateria mollissima

Evolutionary Relationship

Canadian Otter and Common Eider share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Canadian Otter

LC — Least Concern

Common Eider

NT — Near Threatened

Physical Characteristics

Attribute	Canadian Otter	Common Eider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Canadian Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

Common Eider

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Canadian Otter

The Canadian Otter (Lontra canadensis) is a species in the genus Lontra. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Common Eider

Common Eider (Somateria mollissima) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States