Eurasian beaver vs Warty Beard Lichen

Castor fiber compared with Usnea ceratina

Key Differences

• Eurasian beaver is Vulnerable while Warty Beard Lichen is Extinct.

Taxonomic Classification

Rank	Eurasian beaver	Warty Beard Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Rodentia (Rodents)	Lecanorales (Lecanorales)
Family	Castoridae (Beavers)	Parmeliaceae
Genus	Castor (Beavers)	Usnea
Species	Castor fiber	Usnea ceratina

Conservation Status

Eurasian beaver

VU — Vulnerable

Warty Beard Lichen

EX — Extinct

Physical Characteristics

Attribute	Eurasian beaver	Warty Beard Lichen
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.

Warty Beard Lichen

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (Norway, Portugal, Sweden), North America (United States), and South America (Colombia).

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