Blind Small-eared Shrew vs Eurasian beaver

Cryptotis niausa compared with Castor fiber

Key Differences

• Blind Small-eared Shrew is Data Deficient while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Blind Small-eared Shrew	Eurasian beaver
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Soricomorpha (トガリネズミ目)	Rodentia (ネズミ目)
Family	Soricidae	Castoridae (Beavers)
Genus	Cryptotis	Castor (Beavers)
Species	Cryptotis niausa	Castor fiber

Evolutionary Relationship

Blind Small-eared Shrew and Eurasian beaver share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Blind Small-eared Shrew

DD — Data Deficient

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Blind Small-eared Shrew	Eurasian beaver
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.

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Eurasian beaver

ユーラシアビーバー（Castor fiber）はIUCNレッドリストで絶滅危惧II類（VU）に分類されています。個体群の減少と生息地への圧力の増大により、野生での絶滅危険度が高い状況に直面しています。