Alpine Bladder-fern vs Eurasian red squirrel

Cystopteris alpina compared with Sciurus vulgaris

Key Differences

• Alpine Bladder-fern is Near Threatened while Eurasian red squirrel is Least Concern.

Taxonomic Classification

Rank	Alpine Bladder-fern	Eurasian red squirrel
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Rodentia (Rodents)
Family	Cystopteridaceae	Sciuridae (Squirrels)
Genus	Cystopteris	Sciurus (Tree Squirrels)
Species	Cystopteris alpina	Sciurus vulgaris

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Eurasian red squirrel

LC — Least Concern

Physical Characteristics

Attribute	Alpine Bladder-fern	Eurasian red squirrel
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.

Eurasian red squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Asia (Georgia) and Europe (5 countries).

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.

Eurasian red squirrel

Eurasian red squirrel (Sciurus vulgaris) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden