Eurasian beaver vs Plain Swift

Castor fiber compared with Apus unicolor

Key Differences

• Eurasian beaver is Vulnerable while Plain Swift is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Plain Swift
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)	Apodidae
Genus	Castor (Beavers)	Apus
Species	Castor fiber	Apus unicolor

Evolutionary Relationship

Eurasian beaver and Plain Swift share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eurasian beaver

VU — Vulnerable

Plain Swift

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Plain Swift
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.

Plain Swift

Habitat

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

Range

Distributed across Norway and Portugal.

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 2 countries:

🇳🇴 Norway 🇵🇹 Portugal