Gray Birch Mouse vs Scaly Stalkball

Sicista pseudonapaea compared with Tulostoma melanocyclum

Key Differences

• Gray Birch Mouse is Data Deficient while Scaly Stalkball is Critically Endangered.

Taxonomic Classification

Rank	Gray 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 pseudonapaea	Tulostoma melanocyclum

Conservation Status

Gray Birch Mouse

DD — Data Deficient

Scaly Stalkball

CR — Critically Endangered

Physical Characteristics

Attribute	Gray Birch Mouse	Scaly Stalkball
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.