Eurasian beaver vs Floating Fern

Castor fiber compared with Salvinia natans

Key Differences

• Eurasian beaver is Vulnerable while Floating Fern is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Floating Fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Rodentia (Rodents)	Salviniales (Salviniales)
Family	Castoridae (Beavers)	Salviniaceae
Genus	Castor (Beavers)	Salvinia
Species	Castor fiber	Salvinia natans

Conservation Status

Eurasian beaver

VU — Vulnerable

Floating Fern

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Floating 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.

Floating Fern

Habitat

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

Range

Widely distributed across Asia (4 countries), Europe (9 countries), North America (Honduras), and Oceania and the Pacific (Australia).

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