Common Eider vs Hairy-nosed otter

Somateria mollissima compared with Lutra sumatrana

Key Differences

• Common Eider is Near Threatened while Hairy-nosed otter is Endangered.

Taxonomic Classification

Rank	Common Eider	Hairy-nosed otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Carnivora (Carnivorans)
Family	Anatidae	Mustelidae (Weasels & Otters)
Genus	Somateria	Lutra (Otters)
Species	Somateria mollissima	Lutra sumatrana

Evolutionary Relationship

Common Eider and Hairy-nosed otter share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Eider

NT — Near Threatened

Hairy-nosed otter

EN — Endangered

Physical Characteristics

Attribute	Common Eider	Hairy-nosed otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Hairy-nosed otter

Habitat

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.