Northern Birch Mouse vs Scaly Stalkball

Sicista betulina compared with Tulostoma melanocyclum

Key Differences

• Northern Birch Mouse is Least Concern while Scaly Stalkball is Critically Endangered.

Taxonomic Classification

Rank	Northern Birch Mouse	Scaly Stalkball
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Agaricales (Gilled Mushrooms)
Family	Dipodidae	Agaricaceae (Agarics)
Genus	Sicista	Tulostoma
Species	Sicista betulina	Tulostoma melanocyclum

Conservation Status

Northern Birch Mouse

LC — Least Concern

Scaly Stalkball

CR — Critically Endangered

Physical Characteristics

Attribute	Northern Birch Mouse	Scaly Stalkball
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.

Scaly Stalkball

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Critically Endangered 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