vs Eurasian beaver

Botryotinia calthae compared with Castor fiber

Key Differences

• is Not Evaluated while Eurasian beaver is Vulnerable.

Taxonomic Classification

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

Conservation Status

NE — Not Evaluated

Eurasian beaver

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Norway.

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.

Botryotinia calthae is an ascomycete fungus in the family Sclerotiniaceae, the sexual stage of a Botrytis-like pathogen that infects marsh marigold (Caltha palustris) in wetland habitats. It forms sclerotia in infected plant tissue that persist in soil to initiate future infections. As a necrotrophic pathogen, it kills host tissue and then feeds on the resulting dead material.

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:

🇩🇰 Denmark 🇳🇴 Norway