Common Bluetail vs Eurasian beaver

Ischnura elegans compared with Castor fiber

Key Differences

• Common Bluetail is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Common Bluetail	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Odonata (Odonata)	Rodentia (Rodents)
Family	Coenagrionidae	Castoridae (Beavers)
Genus	Ischnura	Castor (Beavers)
Species	Ischnura elegans	Castor fiber

Evolutionary Relationship

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

Conservation Status

Common Bluetail

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Common Bluetail	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Bluetail

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, 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.

Common Bluetail

Common Bluetail (Ischnura elegans) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

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