Eurasian beaver vs Rollrim Milkcap

Castor fiber compared with Lactarius resimus

Key Differences

• Eurasian beaver is Vulnerable while Rollrim Milkcap is Near Threatened.

Taxonomic Classification

Rank	Eurasian beaver	Rollrim Milkcap
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Russulales (Russulales)
Family	Castoridae (Beavers)	Russulaceae
Genus	Castor (Beavers)	Lactarius
Species	Castor fiber	Lactarius resimus

Conservation Status

Eurasian beaver

VU — Vulnerable

Rollrim Milkcap

NT — Near Threatened

Physical Characteristics

Attribute	Eurasian beaver	Rollrim Milkcap
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.

Rollrim Milkcap

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. 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 4 countries:

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