Northern Birch Mouse vs Rollrim Milkcap

Sicista betulina compared with Lactarius resimus

Key Differences

• Northern Birch Mouse is Least Concern while Rollrim Milkcap is Near Threatened.

Taxonomic Classification

Rank	Northern Birch Mouse	Rollrim Milkcap
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Russulales (Russulales)
Family	Dipodidae	Russulaceae
Genus	Sicista	Lactarius
Species	Sicista betulina	Lactarius resimus

Conservation Status

Northern Birch Mouse

LC — Least Concern

Rollrim Milkcap

NT — Near Threatened

Physical Characteristics

Attribute	Northern Birch Mouse	Rollrim Milkcap
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.

Rollrim Milkcap

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden