Common Eider vs Large-eared Mountain Vole

Somateria mollissima compared with Alticola macrotis

Key Differences

• Common Eider is Near Threatened while Large-eared Mountain Vole is Least Concern.

Taxonomic Classification

Rank	Common Eider	Large-eared Mountain Vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Rodentia (Rodents)
Family	Anatidae	Cricetidae
Genus	Somateria	Alticola
Species	Somateria mollissima	Alticola macrotis

Evolutionary Relationship

Common Eider and Large-eared Mountain Vole share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Eider

NT — Near Threatened

Large-eared Mountain Vole

LC — Least Concern

Physical Characteristics

Attribute	Common Eider	Large-eared Mountain Vole
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.

Large-eared Mountain Vole

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.