Eurasian beaver vs Small Dark-bee

Castor fiber compared with Stelis breviuscula

Key Differences

• Eurasian beaver is Vulnerable while Small Dark-bee is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Small Dark-bee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Hymenoptera (Ants, Bees & Wasps)
Family	Castoridae (Beavers)	Megachilidae
Genus	Castor (Beavers)	Stelis
Species	Castor fiber	Stelis breviuscula

Evolutionary Relationship

Eurasian beaver and Small Dark-bee share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Small Dark-bee

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Small Dark-bee
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.

Small Dark-bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

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