Alpine Bladder-fern vs Black-eared Red-backed Vole

Cystopteris alpina compared with Eothenomys olitor

Key Differences

• Alpine Bladder-fern is Near Threatened while Black-eared Red-backed Vole is Least Concern.

Taxonomic Classification

Rank	Alpine Bladder-fern	Black-eared Red-backed Vole
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Rodentia (Rodents)
Family	Cystopteridaceae	Cricetidae
Genus	Cystopteris	Eothenomys
Species	Cystopteris alpina	Eothenomys olitor

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Black-eared Red-backed Vole

LC — Least Concern

Physical Characteristics

Attribute	Alpine Bladder-fern	Black-eared Red-backed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Bladder-fern

Habitat

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

Range

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

Black-eared Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Alpine Bladder-fern

The Alpine Bladder-fern (Cystopteris alpina) is a species in the genus Cystopteris. It is currently classified as Near Threatened on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies. Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Black-eared Red-backed Vole

The Black-eared Red-backed Vole (Eothenomys olitor) is a species in the genus Eothenomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.