Blind Small-eared Shrew vs Common Eider

Cryptotis niausa compared with Somateria mollissima

Key Differences

• Blind Small-eared Shrew is Data Deficient while Common Eider is Near Threatened.

Taxonomic Classification

Rank	Blind Small-eared 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	Cryptotis	Somateria
Species	Cryptotis niausa	Somateria mollissima

Evolutionary Relationship

Blind Small-eared Shrew and Common Eider share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blind Small-eared Shrew

DD — Data Deficient

Common Eider

NT — Near Threatened

Physical Characteristics

Attribute	Blind Small-eared Shrew	Common Eider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blind Small-eared Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.

Blind Small-eared Shrew

The Blind Small-eared Shrew (Cryptotis niausa) is a species in the genus Cryptotis. It is currently classified as Data Deficient 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.