Eurasian beaver vs Small alder midget

Castor fiber compared with Phyllonorycter stettinensis

Key Differences

• Eurasian beaver is Vulnerable while Small alder midget is Near Threatened.

Taxonomic Classification

Rank	Eurasian beaver	Small alder midget
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Castoridae (Beavers)	Gracillariidae
Genus	Castor (Beavers)	Phyllonorycter
Species	Castor fiber	Phyllonorycter stettinensis

Evolutionary Relationship

Eurasian beaver and Small alder midget share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Small alder midget

NT — Near Threatened

Physical Characteristics

Attribute	Eurasian beaver	Small alder midget
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 alder midget

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (6 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden