Eurasian beaver vs Widow Skimmer

Castor fiber compared with Libellula luctuosa

Key Differences

• Eurasian beaver is Vulnerable while Widow Skimmer is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Widow Skimmer
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum	Chordata (động vật có dây sống)	Arthropoda (động vật Chân khớp)
Class	Mammalia (lớp Thú)	Insecta (côn trùng)
Order	Rodentia (Bộ Gặm nhấm)	Odonata (Chuồn chuồn)
Family	Castoridae (Beavers)	Libellulidae
Genus	Castor (Beavers)	Libellula
Species	Castor fiber	Libellula luctuosa

Evolutionary Relationship

Eurasian beaver and Widow Skimmer share a common ancestor at the Kingdom level: Animalia. (động vật)

Conservation Status

Eurasian beaver

VU — Vulnerable

Widow Skimmer

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Widow Skimmer
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.

Widow Skimmer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

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.