Northern Birch Mouse vs Tiny Earthstar

Sicista betulina compared with Geastrum minimum

Key Differences

• Northern Birch Mouse is Least Concern while Tiny Earthstar is Near Threatened.

Taxonomic Classification

Rank	Northern Birch Mouse	Tiny Earthstar
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Geastrales (Geastrales)
Family	Dipodidae	Geastraceae
Genus	Sicista	Geastrum
Species	Sicista betulina	Geastrum minimum

Conservation Status

Northern Birch Mouse

LC — Least Concern

Tiny Earthstar

NT — Near Threatened

Physical Characteristics

Attribute	Northern Birch Mouse	Tiny Earthstar
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.

Tiny Earthstar

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇳🇴 Norway