Black-eared Red-backed Vole vs King/Common Eider

Eothenomys olitor compared with Somateria spectabilis

Key Differences

• Black-eared Red-backed Vole is Least Concern while King/Common Eider is Not Evaluated.

Taxonomic Classification

Rank	Black-eared Red-backed Vole	King/Common Eider
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Anseriformes (Anseriformes)
Family	Cricetidae	Anatidae
Genus	Eothenomys	Somateria
Species	Eothenomys olitor	Somateria spectabilis

Evolutionary Relationship

Black-eared Red-backed Vole and King/Common Eider share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-eared Red-backed Vole

LC — Least Concern

King/Common Eider

NE — Not Evaluated

Physical Characteristics

Attribute	Black-eared Red-backed Vole	King/Common Eider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-eared Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

King/Common Eider

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

Black-eared Red-backed Vole

The Black-eared Red-backed Vole (Eothenomys olitor) is a species in the genus Eothenomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.