Eurasian beaver vs Grey Mould

Castor fiber compared with Botrytis cinerea

Key Differences

• Eurasian beaver is Vulnerable while Grey Mould is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Grey Mould
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 cinerea

Conservation Status

Eurasian beaver

VU — Vulnerable

Grey Mould

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Grey Mould
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.

Grey Mould

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Norway, Portugal, Sweden, and Taiwan.

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 3 countries:

🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden