Northern Birch Mouse vs Rounded Earthstar

Sicista betulina compared with Geastrum saccatum

Key Differences

• Northern Birch Mouse is Least Concern while Rounded Earthstar is Endangered.

Taxonomic Classification

Rank	Northern Birch Mouse	Rounded 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 saccatum

Conservation Status

Northern Birch Mouse

LC — Least Concern

Rounded Earthstar

EN — Endangered

Physical Characteristics

Attribute	Northern Birch Mouse	Rounded 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.

Rounded 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). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden