Caucasian Birch Mouse vs limestone fern

Sicista caucasica compared with Gymnocarpium robertianum

Key Differences

• Caucasian Birch Mouse is Near Threatened while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	Caucasian Birch Mouse	limestone fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Rodentia (Rodents)	Polypodiales (Polypodiales)
Family	Dipodidae	Cystopteridaceae
Genus	Sicista	Gymnocarpium
Species	Sicista caucasica	Gymnocarpium robertianum

Conservation Status

Caucasian Birch Mouse

NT — Near Threatened

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	Caucasian Birch Mouse	limestone fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caucasian Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

limestone fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Belgium, Canada, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Caucasian Birch Mouse

The Caucasian Birch Mouse (Sicista caucasica) is a species in the genus Sicista. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.