Black Flying Squirrel vs Eurasian beaver

Aeromys tephromelas compared with Castor fiber

Key Differences

• Black Flying Squirrel is Data Deficient while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Black Flying 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	Aeromys	Castor (Beavers)
Species	Aeromys tephromelas	Castor fiber

Evolutionary Relationship

Black Flying Squirrel and Eurasian beaver share a common ancestor at the Order level: Rodentia. (啮齿目)

Conservation Status

Black Flying Squirrel

DD — Data Deficient

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Black Flying Squirrel	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Flying 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 Flying Squirrel

The Black Flying Squirrel (Aeromys tephromelas) is a species in the genus Aeromys. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. 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。