Eurasian beaver vs Knotty-Leaved Rush

Castor fiber compared with Juncus acuminatus

Key Differences

• Eurasian beaver is Vulnerable while Knotty-Leaved Rush is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Knotty-Leaved Rush
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Rodentia (Rodents)	Poales (Grasses)
Family	Castoridae (Beavers)	Juncaceae
Genus	Castor (Beavers)	Juncus
Species	Castor fiber	Juncus acuminatus

Conservation Status

Eurasian beaver

VU — Vulnerable

Knotty-Leaved Rush

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Knotty-Leaved Rush
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.

Knotty-Leaved Rush

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Australia, Canada, and United States.

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.