Eurasian beaver vs Little Clusterfly

Castor fiber compared with Pollenia griseotomentosa

Key Differences

• Eurasian beaver is Vulnerable while Little Clusterfly is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Little Clusterfly
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Diptera (Diptera)
Family	Castoridae (Beavers)	Polleniidae
Genus	Castor (Beavers)	Pollenia
Species	Castor fiber	Pollenia griseotomentosa

Evolutionary Relationship

Eurasian beaver and Little Clusterfly share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Little Clusterfly

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Little Clusterfly
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.

Little Clusterfly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, and Sweden.

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