Brittle Bladderfern vs Caucasian Birch Mouse

Cystopteris tenuis compared with Sicista caucasica

Key Differences

• Brittle Bladderfern is Not Evaluated while Caucasian Birch Mouse is Near Threatened.

Taxonomic Classification

Rank	Brittle Bladderfern	Caucasian Birch Mouse
Kingdom	Plantae (พืช)	Animalia (สัตว์)
Phylum	Tracheophyta	Chordata (สัตว์มีแกนสันหลัง)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Polypodiales (Polypodiales)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Cystopteridaceae	Dipodidae
Genus	Cystopteris	Sicista
Species	Cystopteris tenuis	Sicista caucasica

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

Caucasian Birch Mouse

NT — Near Threatened

Physical Characteristics

Attribute	Brittle Bladderfern	Caucasian Birch Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brittle Bladderfern

Habitat

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

Range

Distributed across Canada and United States.

Caucasian Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Brittle Bladderfern

The Brittle Bladderfern (Cystopteris tenuis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.

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.