Common Eider vs Spectacled Eider

Somateria mollissima compared with Somateria fischeri

Key Differences

• Common Eider is Near Threatened while Spectacled Eider is Not Evaluated.

Taxonomic Classification

Rank	Common Eider	Spectacled Eider
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Aves (chim)	Aves (chim)
Order same	Anseriformes (bộ Ngỗng)	Anseriformes (bộ Ngỗng)
Family same	Anatidae	Anatidae
Genus same	Somateria	Somateria
Species	Somateria mollissima	Somateria fischeri

Evolutionary Relationship

Common Eider and Spectacled Eider share a common ancestor at the Genus level: Somateria.

Conservation Status

Common Eider

NT — Near Threatened

Spectacled Eider

NE — Not Evaluated

Physical Characteristics

Attribute	Common Eider	Spectacled Eider
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.

Spectacled Eider

Habitat

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

Range

Distributed across Norway and Sweden.

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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden