Northern Birch Mouse vs Upper Crust

Sicista betulina compared with Amaurodon cyaneus

Key Differences

• Northern Birch Mouse is Least Concern while Upper Crust is Vulnerable.

Taxonomic Classification

Rank	Northern Birch Mouse	Upper Crust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Thelephorales (Thelephorales)
Family	Dipodidae	Thelephoraceae
Genus	Sicista	Amaurodon
Species	Sicista betulina	Amaurodon cyaneus

Conservation Status

Northern Birch Mouse

LC — Least Concern

Upper Crust

VU — Vulnerable

Physical Characteristics

Attribute	Northern Birch Mouse	Upper Crust
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.

Upper Crust

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

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