Gray Birch Mouse vs Pixie Foam

Sicista pseudonapaea compared with Stereocaulon pileatum

Key Differences

• Gray Birch Mouse is Data Deficient while Pixie Foam is Critically Endangered.

Taxonomic Classification

Rank	Gray 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 pseudonapaea	Stereocaulon pileatum

Conservation Status

Gray Birch Mouse

DD — Data Deficient

Pixie Foam

CR — Critically Endangered

Physical Characteristics

Attribute	Gray Birch Mouse	Pixie Foam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.