Eurasian beaver vs Five-toed Pygmy Jerboa

Castor fiber compared with Cardiocranius paradoxus

Key Differences

• Eurasian beaver is Vulnerable while Five-toed Pygmy Jerboa is Data Deficient.

Taxonomic Classification

Rank	Eurasian beaver	Five-toed Pygmy Jerboa
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	Castoridae (Beavers)	Dipodidae
Genus	Castor (Beavers)	Cardiocranius
Species	Castor fiber	Cardiocranius paradoxus

Evolutionary Relationship

Eurasian beaver and Five-toed Pygmy Jerboa share a common ancestor at the Order level: Rodentia. (ネズミ目)

Conservation Status

Eurasian beaver

VU — Vulnerable

Five-toed Pygmy Jerboa

DD — Data Deficient

Physical Characteristics

Attribute	Eurasian beaver	Five-toed Pygmy Jerboa
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Five-toed Pygmy Jerboa

Habitat

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。