Northern Birch Mouse vs slender facelina

Sicista betulina compared with Facelina auriculata

Key Differences

• Northern Birch Mouse is Least Concern while slender facelina is Vulnerable.

Taxonomic Classification

Rank	Northern Birch Mouse	slender facelina
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Rodentia (Rodents)	Nudibranchia (Nudibranchia)
Family	Dipodidae	Facelinidae
Genus	Sicista	Facelina
Species	Sicista betulina	Facelina auriculata

Evolutionary Relationship

Northern Birch Mouse and slender facelina share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Northern Birch Mouse

LC — Least Concern

slender facelina

VU — Vulnerable

Physical Characteristics

Attribute	Northern Birch Mouse	slender facelina
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Northern Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Russia, Sweden, and Ukraine.

slender facelina

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden