Eurasian beaver vs Orange Pinwheel

Castor fiber compared with Marasmius siccus

Key Differences

• Eurasian beaver is Vulnerable while Orange Pinwheel is Near Threatened.

Taxonomic Classification

Rank	Eurasian beaver	Orange Pinwheel
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)	Marasmiaceae
Genus	Castor (Beavers)	Marasmius
Species	Castor fiber	Marasmius siccus

Conservation Status

Eurasian beaver

VU — Vulnerable

Orange Pinwheel

NT — Near Threatened

Physical Characteristics

Attribute	Eurasian beaver	Orange Pinwheel
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.

Orange Pinwheel

Habitat

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

Range

Distributed across Norway, Sweden, Taiwan, 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 2 countries:

🇳🇴 Norway 🇸🇪 Sweden