dooryard sowbug vs Eurasian beaver

Porcellio laevis compared with Castor fiber

Key Differences

• dooryard sowbug is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	dooryard sowbug	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Malacostraca (Crustaceans)	Mammalia (Mammals)
Order	Isopoda (Isopoda)	Rodentia (Rodents)
Family	Porcellionidae	Castoridae (Beavers)
Genus	Porcellio	Castor (Beavers)
Species	Porcellio laevis	Castor fiber

Evolutionary Relationship

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

Conservation Status

dooryard sowbug

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	dooryard sowbug	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

dooryard sowbug

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (12 countries), North America (United States), and South America (Brazil).

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.

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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden