Eurasian beaver vs Post Dwarf Weaver

Castor fiber compared with Erigone atra

Key Differences

• Eurasian beaver is Vulnerable while Post Dwarf Weaver is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Post Dwarf Weaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Arachnida (Arachnids)
Order	Rodentia (Rodents)	Araneae (Araneae)
Family	Castoridae (Beavers)	Linyphiidae
Genus	Castor (Beavers)	Erigone
Species	Castor fiber	Erigone atra

Evolutionary Relationship

Eurasian beaver and Post Dwarf Weaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Post Dwarf Weaver

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Post Dwarf Weaver
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.

Post Dwarf Weaver

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Widely distributed across Europe (4 countries), North America (Canada, United States), and South America (Ecuador).

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:

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