Common Eider vs Flat-headed Kusimanse

Somateria mollissima compared with Crossarchus platycephalus

Key Differences

• Common Eider is Near Threatened while Flat-headed Kusimanse is Least Concern.

Taxonomic Classification

Rank	Common Eider	Flat-headed Kusimanse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Carnivora (Carnivorans)
Family	Anatidae	Herpestidae
Genus	Somateria	Crossarchus
Species	Somateria mollissima	Crossarchus platycephalus

Evolutionary Relationship

Common Eider and Flat-headed Kusimanse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Eider

NT — Near Threatened

Flat-headed Kusimanse

LC — Least Concern

Physical Characteristics

Attribute	Common Eider	Flat-headed Kusimanse
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.

Flat-headed Kusimanse

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.