Northern Birch Mouse vs Pixie Foam

Sicista betulina compared with Stereocaulon pileatum

Key Differences

• Northern Birch Mouse is Least Concern while Pixie Foam is Critically Endangered.

Taxonomic Classification

Rank	Northern Birch Mouse	Pixie Foam
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Rodentia (Rodents)	Lecanorales (Lecanorales)
Family	Dipodidae	Stereocaulaceae
Genus	Sicista	Stereocaulon
Species	Sicista betulina	Stereocaulon pileatum

Conservation Status

Northern Birch Mouse

LC — Least Concern

Pixie Foam

CR — Critically Endangered

Physical Characteristics

Attribute	Northern Birch Mouse	Pixie Foam
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.

Pixie Foam

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. 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