Eurasian beaver vs Spot-tailed Dasher

Castor fiber compared with Micrathyria aequalis

Key Differences

• Eurasian beaver is Vulnerable while Spot-tailed Dasher is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Spot-tailed Dasher
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Odonata (Odonata)
Family	Castoridae (Beavers)	Libellulidae
Genus	Castor (Beavers)	Micrathyria
Species	Castor fiber	Micrathyria aequalis

Evolutionary Relationship

Eurasian beaver and Spot-tailed Dasher share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Spot-tailed Dasher

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Spot-tailed Dasher
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.

Spot-tailed Dasher

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Colombia and 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.