Eurasian beaver vs Willow Mildew

Castor fiber compared with Erysiphe adunca

Key Differences

• Eurasian beaver is Vulnerable while Willow Mildew is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Willow Mildew
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Leotiomycetes (Leotiomycetes)
Order	Rodentia (Rodents)	Helotiales (Helotiales)
Family	Castoridae (Beavers)	Erysiphaceae
Genus	Castor (Beavers)	Erysiphe
Species	Castor fiber	Erysiphe adunca

Conservation Status

Eurasian beaver

VU — Vulnerable

Willow Mildew

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Willow Mildew
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.

Willow Mildew

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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