Eurasian beaver vs Indomalayan Pencil-tailed Tree Mouse

Castor fiber compared with Chiropodomys gliroides

Key Differences

• Eurasian beaver is Vulnerable while Indomalayan Pencil-tailed Tree Mouse is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Indomalayan Pencil-tailed Tree Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Castoridae (Beavers)	Muridae (Mice & Rats)
Genus	Castor (Beavers)	Chiropodomys
Species	Castor fiber	Chiropodomys gliroides

Evolutionary Relationship

Eurasian beaver and Indomalayan Pencil-tailed Tree Mouse share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Eurasian beaver

VU — Vulnerable

Indomalayan Pencil-tailed Tree Mouse

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Indomalayan Pencil-tailed Tree Mouse
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.

Indomalayan Pencil-tailed Tree Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Eurasian beaver

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.