Eurasian beaver vs Rainbow tortoise beetle

Castor fiber compared with Cassida azurea

Key Differences

• Eurasian beaver is Vulnerable while Rainbow tortoise beetle is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Rainbow tortoise 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)	Cassida
Species	Castor fiber	Cassida azurea

Evolutionary Relationship

Eurasian beaver and Rainbow tortoise beetle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Rainbow tortoise beetle

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Rainbow tortoise 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.

Rainbow tortoise beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Canada, Norway, Sweden, 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.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden