Eurasian beaver vs Wire-crested Thorntail

Castor fiber compared with Discosura popelairii

Key Differences

• Eurasian beaver is Vulnerable while Wire-crested Thorntail is Near Threatened.

Taxonomic Classification

Rank	Eurasian beaver	Wire-crested Thorntail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Apodiformes (Apodiformes)
Family	Castoridae (Beavers)	Trochilidae
Genus	Castor (Beavers)	Discosura
Species	Castor fiber	Discosura popelairii

Evolutionary Relationship

Eurasian beaver and Wire-crested Thorntail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eurasian beaver

VU — Vulnerable

Wire-crested Thorntail

NT — Near Threatened

Physical Characteristics

Attribute	Eurasian beaver	Wire-crested Thorntail
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.

Wire-crested Thorntail

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, and Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 1 countries:

🇳🇴 Norway