Bark lice vs Eurasian beaver

Elipsocus hyalinus compared with Castor fiber

Key Differences

• Bark lice is Not Evaluated while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Bark lice	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Psocodea (Psocodea)	Rodentia (Rodents)
Family	Elipsocidae	Castoridae (Beavers)
Genus	Elipsocus	Castor (Beavers)
Species	Elipsocus hyalinus	Castor fiber

Evolutionary Relationship

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

Conservation Status

Bark lice

NE — Not Evaluated

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Bark lice	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bark lice

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.

Bark lice

The Bark lice (Elipsocus hyalinus) is a species in the genus Elipsocus. 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