Common Eider vs Lesser White-toothed Shrew

Somateria mollissima compared with Crocidura suaveolens

Key Differences

• Common Eider is Near Threatened while Lesser White-toothed Shrew is Least Concern.

Taxonomic Classification

Rank	Common Eider	Lesser White-toothed Shrew
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Soricomorpha (Soricomorpha)
Family	Anatidae	Soricidae
Genus	Somateria	Crocidura
Species	Somateria mollissima	Crocidura suaveolens

Evolutionary Relationship

Common Eider and Lesser White-toothed Shrew share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Eider

NT — Near Threatened

Lesser White-toothed Shrew

LC — Least Concern

Physical Characteristics

Attribute	Common Eider	Lesser White-toothed Shrew
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.

Lesser White-toothed Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Asia (Cyprus) and Europe (9 countries).

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:

🇧🇪 Belgium 🇳🇴 Norway