Blackthorn Mining Bee vs Eurasian beaver

Andrena varians compared with Castor fiber

Key Differences

• Blackthorn Mining Bee is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Blackthorn Mining Bee	Eurasian beaver
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Arthropoda (节肢动物门)	Chordata (脊索动物门)
Class	Insecta (昆蟲綱)	Mammalia (哺乳動物)
Order	Hymenoptera (膜翅目)	Rodentia (啮齿目)
Family	Andrenidae	Castoridae (Beavers)
Genus	Andrena	Castor (Beavers)
Species	Andrena varians	Castor fiber

Evolutionary Relationship

Blackthorn Mining Bee and Eurasian beaver share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Blackthorn Mining Bee

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Blackthorn Mining Bee	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackthorn Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, and Sweden.

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.

Blackthorn Mining Bee

The Blackthorn Mining Bee (Andrena varians) is a species in the genus Andrena. It is currently classified as Least Concern on the IUCN Red List. Distributed across Denmark, Luxembourg, Norway, and Sweden.

Eurasian beaver

欧亚河狸（Castor fiber）在IUCN红色名录中被列为易危（VU）。面临野外高度濒危风险，种群数量下降，栖息地压力日益增大。

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden