Caatinga laucha vs Eurasian beaver

Calomys expulsus compared with Castor fiber

Key Differences

• Caatinga laucha is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Caatinga laucha	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 same	Rodentia (ネズミ目)	Rodentia (ネズミ目)
Family	Cricetidae	Castoridae (Beavers)
Genus	Calomys	Castor (Beavers)
Species	Calomys expulsus	Castor fiber

Evolutionary Relationship

Caatinga laucha and Eurasian beaver share a common ancestor at the Order level: Rodentia. (ネズミ目)

Conservation Status

Caatinga laucha

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Caatinga laucha	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caatinga laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Caatinga laucha

The Caatinga laucha (Calomys expulsus) is a species in the genus Calomys. It is currently classified as Least Concern 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。