Eurasian beaver vs Swarming Spine

Castor fiber compared with Mucronella calva

Key Differences

• Eurasian beaver is Vulnerable while Swarming Spine is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Swarming Spine
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)	Clavariaceae
Genus	Castor (Beavers)	Mucronella
Species	Castor fiber	Mucronella calva

Conservation Status

Eurasian beaver

VU — Vulnerable

Swarming Spine

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Swarming Spine
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.

Swarming Spine

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil).

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