Eurasian beaver vs Grass Oysterling

Castor fiber compared with Crepidotus epibryus

Key Differences

• Eurasian beaver is Vulnerable while Grass Oysterling is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Grass Oysterling
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Agaricales (Gilled Mushrooms)
Family	Castoridae (Beavers)	Crepidotaceae
Genus	Castor (Beavers)	Crepidotus
Species	Castor fiber	Crepidotus epibryus

Conservation Status

Eurasian beaver

VU — Vulnerable

Grass Oysterling

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Grass Oysterling
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.

Grass Oysterling

Habitat

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

Range

Distributed across Belgium, Brazil, Denmark, 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