Gray Birch Mouse vs

Sicista pseudonapaea compared with Usnea cornuta

Key Differences

• Gray Birch Mouse is Data Deficient while is Near Threatened.

Taxonomic Classification

Rank	Gray Birch Mouse
Kingdom	Animalia (hayvan)	Fungi (mantar)
Phylum	Chordata (Kordalılar)	Ascomycota (Asklı mantarlar)
Class	Mammalia (memeliler)	Lecanoromycetes (Lecanoromycetes)
Order	Rodentia (kemiriciler)	Lecanorales (Lecanorales)
Family	Dipodidae	Parmeliaceae
Genus	Sicista	Usnea
Species	Sicista pseudonapaea	Usnea cornuta

Conservation Status

Gray Birch Mouse

DD — Data Deficient

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Gray Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Usnea cornuta is a fruticose lichen in the family Parmeliaceae, assessed as Near Threatened (NT). It forms shrubby, branching thalli that hang from tree branches and twigs, typically in humid forest environments. Like all Usnea species, it is highly sensitive to air pollution, particularly sulfur dioxide, making it a useful bioindicator of air quality.