Eurasian beaver vs Rough Stonewort

Castor fiber compared with Chara aspera

Key Differences

• Eurasian beaver is Vulnerable while Rough Stonewort is Near Threatened.

Taxonomic Classification

Rank	Eurasian beaver	Rough Stonewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Charophyta (Charophyta)
Class	Mammalia (Mammals)	Charophyceae (Charophyceae)
Order	Rodentia (Rodents)	Charales (Charales)
Family	Castoridae (Beavers)	Characeae
Genus	Castor (Beavers)	Chara
Species	Castor fiber	Chara aspera

Conservation Status

Eurasian beaver

VU — Vulnerable

Rough Stonewort

NT — Near Threatened

Physical Characteristics

Attribute	Eurasian beaver	Rough Stonewort
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.

Rough Stonewort

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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