Altai Birch Mouse vs limestone fern

Sicista napaea compared with Gymnocarpium robertianum

Key Differences

• Altai Birch Mouse is Least Concern while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	Altai 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 napaea	Gymnocarpium robertianum

Conservation Status

Altai Birch Mouse

LC — Least Concern

limestone fern

CR — Critically Endangered

Physical Characteristics

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

Habitat & Geographic Range

Altai 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.

Altai Birch Mouse

The Altai Birch Mouse (Sicista napaea) is a species in the genus Sicista. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.