Common Eider vs Indonesian Mountain Weasel

Somateria mollissima compared with Mustela lutreolina

Key Differences

• Common Eider is Near Threatened while Indonesian Mountain Weasel is Least Concern.

Taxonomic Classification

Rank	Common Eider	Indonesian Mountain Weasel
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	Mustela
Species	Somateria mollissima	Mustela lutreolina

Evolutionary Relationship

Common Eider and Indonesian Mountain Weasel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Eider

NT — Near Threatened

Indonesian Mountain Weasel

LC — Least Concern

Physical Characteristics

Attribute	Common Eider	Indonesian Mountain Weasel
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.

Indonesian Mountain Weasel

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.