Bitter Bolete vs Eurasian beaver

Tylopilus felleus compared with Castor fiber

Key Differences

• Bitter Bolete is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Bitter Bolete	Eurasian beaver
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Boletales (Boletales)	Rodentia (Rodents)
Family	Boletaceae	Castoridae (Beavers)
Genus	Tylopilus	Castor (Beavers)
Species	Tylopilus felleus	Castor fiber

Conservation Status

Bitter Bolete

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Bitter Bolete	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Bolete

Habitat

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

Range

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

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.

Bitter Bolete

The Bitter Bolete (Tylopilus felleus) is a species in the genus Tylopilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

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