Caucasian Mountain Ground Squirrel vs Eurasian beaver

Spermophilus musicus compared with Castor fiber

Key Differences

• Caucasian Mountain Ground Squirrel is Near Threatened while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Caucasian Mountain Ground Squirrel	Eurasian beaver
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Rodentia (啮齿目)	Rodentia (啮齿目)
Family	Sciuridae (Squirrels)	Castoridae (Beavers)
Genus	Spermophilus	Castor (Beavers)
Species	Spermophilus musicus	Castor fiber

Evolutionary Relationship

Caucasian Mountain Ground Squirrel and Eurasian beaver share a common ancestor at the Order level: Rodentia. (啮齿目)

Conservation Status

Caucasian Mountain Ground Squirrel

NT — Near Threatened

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Caucasian Mountain Ground Squirrel	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caucasian Mountain Ground 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.

Caucasian Mountain Ground Squirrel

The Caucasian Mountain Ground Squirrel (Spermophilus musicus) is a species in the genus Spermophilus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Eurasian beaver

欧亚河狸（Castor fiber）在IUCN红色名录中被列为易危（VU）。面临野外高度濒危风险，种群数量下降，栖息地压力日益增大。