Eurasian beaver vs Silver Spiny Digger Wasp

Castor fiber compared with Oxybelus argentatus

Key Differences

• Eurasian beaver is Vulnerable while Silver Spiny Digger Wasp is Endangered.

Taxonomic Classification

Rank	Eurasian beaver	Silver Spiny Digger Wasp
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Hymenoptera (Ants, Bees & Wasps)
Family	Castoridae (Beavers)	Crabronidae
Genus	Castor (Beavers)	Oxybelus
Species	Castor fiber	Oxybelus argentatus

Evolutionary Relationship

Eurasian beaver and Silver Spiny Digger Wasp share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Silver Spiny Digger Wasp

EN — Endangered

Physical Characteristics

Attribute	Eurasian beaver	Silver Spiny Digger Wasp
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.

Silver Spiny Digger Wasp

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Endangered 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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden