Eurasian beaver vs Narrow swordfern

Castor fiber compared with Nephrolepis cordifolia

Key Differences

• Eurasian beaver is Vulnerable while Narrow swordfern is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Narrow swordfern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Rodentia (Rodents)	Polypodiales (Polypodiales)
Family	Castoridae (Beavers)	Nephrolepidaceae
Genus	Castor (Beavers)	Nephrolepis
Species	Castor fiber	Nephrolepis cordifolia

Conservation Status

Eurasian beaver

VU — Vulnerable

Narrow swordfern

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Narrow swordfern
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.

Narrow swordfern

Habitat

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

Range

Widely distributed across Africa (South Africa, Zambia, Zimbabwe), Asia (Taiwan), Europe (Italy, Portugal, Sweden), North America (Cuba, United States), Oceania and the Pacific (New Zealand), and South America (Brazil, Colombia).

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 2 countries:

🇵🇹 Portugal 🇸🇪 Sweden