Altai Birch Mouse vs Eurasian beaver

Sicista napaea compared with Castor fiber

Key Differences

• Altai Birch Mouse is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Altai Birch Mouse	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order same	Rodentia (Roedores)	Rodentia (Roedores)
Family	Dipodidae	Castoridae (Beavers)
Genus	Sicista	Castor (Beavers)
Species	Sicista napaea	Castor fiber

Evolutionary Relationship

Altai Birch Mouse and Eurasian beaver share a common ancestor at the Order level: Rodentia. (Roedores)

Conservation Status

Altai Birch Mouse

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Altai Birch Mouse	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Altai Birch Mouse

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.

Altai Birch Mouse

The Altai Birch Mouse (Sicista napaea) is a species in the genus Sicista. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Eurasian beaver

O castor-europeu (Castor fiber) é classificado como Vulnerável (VU) na Lista Vermelha da IUCN. Enfrenta alto risco de ameaça no estado selvagem, com populações em declínio e crescente pressão sobre o habitat.