Castor Europeo vs Ray's Knotgrass

Castor fiber compared with Polygonum oxyspermum

Key Differences

• Castor Europeo is Vulnerable while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Castor Europeo	Ray's Knotgrass
Kingdom	Animalia (Animals)	Plantae (planta)
Phylum	Chordata (cordados)	Magnoliophyta (Flowering Plants)
Class	Mammalia (mamíferos)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Caryophyllales (Caryophyllales)
Family	Castoridae (Beavers)	Polygonaceae
Genus	Castor (Beavers)	Polygonum
Species	Castor fiber	Polygonum oxyspermum

Conservation Status

Castor Europeo

VU — Vulnerable

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Castor Europeo	Ray's Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Castor Europeo

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.

Ray's Knotgrass

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Castor Europeo

El castor europeo (Castor fiber) está clasificado como Vulnerable (VU) en la Lista Roja de la UICN. Enfrenta un alto riesgo de amenaza en estado silvestre, con poblaciones en declive y creciente presión sobre su hábitat.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden