Blind Small-eared Shrew vs least weasel

Cryptotis niausa compared with Mustela nivalis

Key Differences

• Blind Small-eared Shrew is Data Deficient while least weasel is Near Threatened.

Taxonomic Classification

Rank	Blind Small-eared Shrew	least weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Soricomorpha (Soricomorpha)	Carnivora (Carnivorans)
Family	Soricidae	Mustelidae (Weasels & Otters)
Genus	Cryptotis	Mustela
Species	Cryptotis niausa	Mustela nivalis

Evolutionary Relationship

Blind Small-eared Shrew and least weasel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Blind Small-eared Shrew

DD — Data Deficient

least weasel

NT — Near Threatened

Physical Characteristics

Attribute	Blind Small-eared Shrew	least weasel
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.

least weasel

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 4 distinct biome types spanning the Australasia and Oceanian and Palearctic realms.

Range

Widely distributed across Africa (Sao Tome and Principe), Asia (Cyprus), Europe (11 countries), and Oceania and the Pacific (New Zealand). 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.

least weasel

least weasel (Mustela nivalis) 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.