Eurasian beaver vs Striate knotweed

Castor fiber compared with Polygonum achoreum

Key Differences

• Eurasian beaver is Vulnerable while Striate knotweed is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Striate knotweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Caryophyllales (Caryophyllales)
Family	Castoridae (Beavers)	Polygonaceae
Genus	Castor (Beavers)	Polygonum
Species	Castor fiber	Polygonum achoreum

Conservation Status

Eurasian beaver

VU — Vulnerable

Striate knotweed

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Striate knotweed
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.

Striate knotweed

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (7 countries) and North America (Canada, 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.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden