Eurasian beaver vs limestone fern

Castor fiber compared with Gymnocarpium robertianum

Key Differences

• Eurasian beaver is Vulnerable while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	Eurasian beaver	limestone fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Rodentia (Rodents)	Polypodiales (Polypodiales)
Family	Castoridae (Beavers)	Cystopteridaceae
Genus	Castor (Beavers)	Gymnocarpium
Species	Castor fiber	Gymnocarpium robertianum

Conservation Status

Eurasian beaver

VU — Vulnerable

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	Eurasian beaver	limestone fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Eurasian beaver

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden