Blackthorn Dotty vs Eurasian beaver

Polystigma rubrum compared with Castor fiber

Key Differences

• Blackthorn Dotty is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Blackthorn Dotty	Eurasian beaver
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Sordariomycetes (Sordariomycetes)	Mammalia (Mammals)
Order	Phyllachorales (Phyllachorales)	Rodentia (Rodents)
Family	Phyllachoraceae	Castoridae (Beavers)
Genus	Polystigma	Castor (Beavers)
Species	Polystigma rubrum	Castor fiber

Conservation Status

Blackthorn Dotty

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Blackthorn Dotty

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.

Blackthorn Dotty

The Blackthorn Dotty (Polystigma rubrum) is a species in the genus Polystigma. It is currently classified as Least Concern on the IUCN Red List. Distributed across Denmark, Norway, 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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden