Eurasian beaver vs Quadrangular Peaclam

Castor fiber compared with Euglesa milium

Key Differences

• Eurasian beaver is Vulnerable while Quadrangular Peaclam is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Quadrangular Peaclam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Rodentia (Rodents)	Sphaeriida (Sphaeriida)
Family	Castoridae (Beavers)	Sphaeriidae
Genus	Castor (Beavers)	Euglesa
Species	Castor fiber	Euglesa milium

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Quadrangular Peaclam

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Quadrangular Peaclam
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.

Quadrangular Peaclam

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, 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 2 countries:

🇧🇪 Belgium 🇩🇰 Denmark