Eastern Nycteoline vs Eurasian beaver

Nycteola asiatica compared with Castor fiber

Key Differences

• Eastern Nycteoline is Not Evaluated while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Eastern Nycteoline	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Rodentia (Rodents)
Family	Nolidae	Castoridae (Beavers)
Genus	Nycteola	Castor (Beavers)
Species	Nycteola asiatica	Castor fiber

Evolutionary Relationship

Eastern Nycteoline and Eurasian beaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eastern Nycteoline

NE — Not Evaluated

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Eastern Nycteoline	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eastern Nycteoline

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden