Arizona Shrew vs Common Eider

Sorex arizonae compared with Somateria mollissima

Key Differences

• Arizona Shrew is Least Concern while Common Eider is Near Threatened.

Taxonomic Classification

Rank	Arizona Shrew	Common Eider
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Soricomorpha (Soricomorpha)	Anseriformes (Anseriformes)
Family	Soricidae	Anatidae
Genus	Sorex	Somateria
Species	Sorex arizonae	Somateria mollissima

Evolutionary Relationship

Arizona Shrew and Common Eider share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arizona Shrew

LC — Least Concern

Common Eider

NT — Near Threatened

Physical Characteristics

Attribute	Arizona Shrew	Common Eider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arizona Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Arizona Shrew

The Arizona Shrew, Sorex arizonae, is a species. It is currently assessed as least concern on the IUCN Red List. 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.