Eurasian beaver vs Klamath Weed Beetle

Castor fiber compared with Chrysolina quadrigemina

Key Differences

• Eurasian beaver is Vulnerable while Klamath Weed Beetle is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Klamath Weed Beetle
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Arthropoda (สัตว์ขาปล้อง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Insecta (แมลง)
Order	Rodentia (อันดับสัตว์ฟันแทะ)	Coleoptera (อันดับด้วง)
Family	Castoridae (Beavers)	Chrysomelidae
Genus	Castor (Beavers)	Chrysolina
Species	Castor fiber	Chrysolina quadrigemina

Evolutionary Relationship

Eurasian beaver and Klamath Weed Beetle share a common ancestor at the Kingdom level: Animalia. (สัตว์)

Conservation Status

Eurasian beaver

VU — Vulnerable

Klamath Weed Beetle

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Klamath Weed Beetle
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.

Klamath Weed Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Europe (Denmark, Norway, Sweden), North America (Canada, United States), and South America (Chile).

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:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden