Eurasian beaver vs Saint John'S Wort Beetle

Castor fiber compared with Chrysolina hyperici

Key Differences

• Eurasian beaver is Vulnerable while Saint John'S Wort Beetle is Near Threatened.

Taxonomic Classification

Rank	Eurasian beaver	Saint John'S Wort Beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Coleoptera (Beetles)
Family	Castoridae (Beavers)	Chrysomelidae
Genus	Castor (Beavers)	Chrysolina
Species	Castor fiber	Chrysolina hyperici

Evolutionary Relationship

Eurasian beaver and Saint John'S Wort Beetle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Saint John'S Wort Beetle

NT — Near Threatened

Physical Characteristics

Attribute	Eurasian beaver	Saint John'S Wort 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.

Saint John'S Wort Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden