Crested Auklet vs Eurasian beaver

Aethia cristatella compared with Castor fiber

Key Differences

• Crested Auklet is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Crested Auklet	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Rodentia (Rodents)
Family	Alcidae	Castoridae (Beavers)
Genus	Aethia	Castor (Beavers)
Species	Aethia cristatella	Castor fiber

Evolutionary Relationship

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

Conservation Status

Crested Auklet

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Crested Auklet	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crested Auklet

Habitat

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

Range

Distributed across Norway and United Kingdom.

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.

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