Alder leaf beetle vs Eurasian beaver

Agelastica alni compared with Castor fiber

Key Differences

• Alder leaf beetle is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Alder leaf beetle	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Coleoptera (Beetles)	Rodentia (Rodents)
Family	Chrysomelidae	Castoridae (Beavers)
Genus	Agelastica	Castor (Beavers)
Species	Agelastica alni	Castor fiber

Evolutionary Relationship

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

Conservation Status

Alder leaf beetle

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Alder leaf beetle	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder leaf beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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.

Alder leaf beetle

The Alder leaf beetle (Agelastica alni) is a species in the genus Agelastica. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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