Eurasian beaver vs

Castor fiber compared with Usnea cornuta

Key Differences

• Eurasian beaver is Vulnerable while is Near Threatened.

Taxonomic Classification

Rank	Eurasian beaver
Kingdom	Animalia (животные)	Fungi (грибы)
Phylum	Chordata (хордовые)	Ascomycota (аскомицеты)
Class	Mammalia (млекопитающие)	Lecanoromycetes (леканоромицеты)
Order	Rodentia (грызуны)	Lecanorales (леканоровые)
Family	Castoridae (Beavers)	Parmeliaceae
Genus	Castor (Beavers)	Usnea
Species	Castor fiber	Usnea cornuta

Conservation Status

Eurasian beaver

VU — Vulnerable

NT — Near Threatened

Physical Characteristics

Attribute	Eurasian beaver
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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden. 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.

Usnea cornuta is a fruticose lichen in the family Parmeliaceae, assessed as Near Threatened (NT). It forms shrubby, branching thalli that hang from tree branches and twigs, typically in humid forest environments. Like all Usnea species, it is highly sensitive to air pollution, particularly sulfur dioxide, making it a useful bioindicator of air quality.

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden