Eurasian beaver vs Pacific Loon

Castor fiber compared with Gavia pacifica

Key Differences

• Eurasian beaver is Vulnerable while Pacific Loon is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Pacific Loon
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Gaviiformes (Gaviiformes)
Family	Castoridae (Beavers)	Gaviidae
Genus	Castor (Beavers)	Gavia
Species	Castor fiber	Gavia pacifica

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Pacific Loon

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Pacific Loon
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.

Pacific Loon

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, 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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden