Brittle Bladderfern vs Caucasian Squirrel

Cystopteris tenuis compared with Sciurus anomalus

Key Differences

• Brittle Bladderfern is Not Evaluated while Caucasian Squirrel is Least Concern.

Taxonomic Classification

Rank	Brittle Bladderfern	Caucasian Squirrel
Kingdom	Plantae (plantas)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (cordados)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (mamíferos)
Order	Polypodiales (Polypodiales)	Rodentia (Roedores)
Family	Cystopteridaceae	Sciuridae (Squirrels)
Genus	Cystopteris	Sciurus (Tree Squirrels)
Species	Cystopteris tenuis	Sciurus anomalus

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

Caucasian Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Brittle Bladderfern	Caucasian Squirrel
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 Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Norway and United Arab Emirates.

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 Squirrel

The Caucasian Squirrel (Sciurus anomalus) is a species in the genus Sciurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.