Common Eider vs Large Japanese Field Mouse

Somateria mollissima compared with Apodemus speciosus

Key Differences

• Common Eider is Near Threatened while Large Japanese Field Mouse is Least Concern.

Taxonomic Classification

Rank	Common Eider	Large Japanese Field Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Rodentia (Rodents)
Family	Anatidae	Muridae (Mice & Rats)
Genus	Somateria	Apodemus
Species	Somateria mollissima	Apodemus speciosus

Evolutionary Relationship

Common Eider and Large Japanese Field Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Eider

NT — Near Threatened

Large Japanese Field Mouse

LC — Least Concern

Physical Characteristics

Attribute	Common Eider	Large Japanese Field Mouse
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 Japanese Field Mouse

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.