Eurasian beaver vs Onion Neck Rot

Castor fiber compared with Botrytis aclada

Key Differences

Eurasian beaver is Vulnerable while Onion Neck Rot is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Onion Neck Rot
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Leotiomycetes (Leotiomycetes)
Order	Rodentia (Rodents)	Helotiales (Helotiales)
Family	Castoridae (Beavers)	Sclerotiniaceae
Genus	Castor (Beavers)	Botrytis
Species	Castor fiber	Botrytis aclada

Conservation Status

Eurasian beaver

VU — Vulnerable

Onion Neck Rot

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Onion Neck Rot
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.

Onion Neck Rot

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark 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.