Eurasian beaver vs Predacious diving beetle

Castor fiber compared with Hydroporus guernei

Key Differences

• Eurasian beaver is Vulnerable while Predacious diving beetle is Endangered.

Taxonomic Classification

Rank	Eurasian beaver	Predacious diving beetle
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Chordata (脊索动物门)	Arthropoda (节肢动物门)
Class	Mammalia (哺乳動物)	Insecta (昆蟲綱)
Order	Rodentia (啮齿目)	Coleoptera (鞘翅目)
Family	Castoridae (Beavers)	Dytiscidae
Genus	Castor (Beavers)	Hydroporus
Species	Castor fiber	Hydroporus guernei

Evolutionary Relationship

Eurasian beaver and Predacious diving beetle share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Eurasian beaver

VU — Vulnerable

Predacious diving beetle

EN — Endangered

Physical Characteristics

Attribute	Eurasian beaver	Predacious diving beetle
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.

Predacious diving beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Portugal. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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 1 countries:

🇵🇹 Portugal