Eurasian beaver vs Sieva bean

Castor fiber compared with Phaseolus lunatus

Key Differences

• Eurasian beaver is Vulnerable while Sieva bean is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Sieva bean
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Chordata (脊索動物)	Magnoliophyta (被子植物門)
Class	Mammalia (哺乳類)	Magnoliopsida (モクレン綱)
Order	Rodentia (ネズミ目)	Fabales (マメ目)
Family	Castoridae (Beavers)	Fabaceae
Genus	Castor (Beavers)	Phaseolus
Species	Castor fiber	Phaseolus lunatus

Conservation Status

Eurasian beaver

VU — Vulnerable

Sieva bean

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Sieva bean
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.

Sieva bean

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands within the Afrotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (20 countries), Asia (Philippines, Taiwan), Europe (Spain), North America (5 countries), Oceania and the Pacific (7 countries), and South America (5 countries).

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。