Black-striped Squirrel vs Eurasian beaver

Callosciurus nigrovittatus compared with Castor fiber

Key Differences

• Black-striped Squirrel is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Black-striped Squirrel	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	Sciuridae (Squirrels)	Castoridae (Beavers)
Genus	Callosciurus	Castor (Beavers)
Species	Callosciurus nigrovittatus	Castor fiber

Evolutionary Relationship

Black-striped Squirrel and Eurasian beaver share a common ancestor at the Order level: Rodentia. (ネズミ目)

Conservation Status

Black-striped Squirrel

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Black-striped Squirrel	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-striped Squirrel

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.

Black-striped Squirrel

The Black-striped Squirrel (Callosciurus nigrovittatus) is a species in the genus Callosciurus. 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。