vs Caucasian Shrew

Bacidia rosella compared with Sorex satunini

Key Differences

• is Critically Endangered while Caucasian Shrew is Least Concern.

Taxonomic Classification

Rank		Caucasian Shrew
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Lecanorales (Lecanorales)	Soricomorpha (Soricomorpha)
Family	Ramalinaceae	Soricidae
Genus	Bacidia	Sorex
Species	Bacidia rosella	Sorex satunini

Conservation Status

CR — Critically Endangered

Caucasian Shrew

LC — Least Concern

Physical Characteristics

Attribute		Caucasian Shrew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 5 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

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.

Caucasian Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bacidia rosella is a crustose lichen in the family Ramalinaceae, assessed as Critically Endangered (CR). It grows on the smooth bark of ancient trees in old-growth woodland habitats with long ecological continuity. Its critically endangered status reflects extreme rarity and the near-total loss of suitable veteran tree habitats across its range.

Caucasian Shrew

The Caucasian Shrew (Sorex satunini) is a species in the genus Sorex. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.