Eurasian beaver vs Spectacled Eider

Castor fiber compared with Somateria fischeri

Key Differences

• Eurasian beaver is Vulnerable while Spectacled Eider is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Spectacled Eider
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Aves (นก)
Order	Rodentia (อันดับสัตว์ฟันแทะ)	Anseriformes (อันดับห่าน)
Family	Castoridae (Beavers)	Anatidae
Genus	Castor (Beavers)	Somateria
Species	Castor fiber	Somateria fischeri

Evolutionary Relationship

Eurasian beaver and Spectacled Eider share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Eurasian beaver

VU — Vulnerable

Spectacled Eider

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Spectacled Eider
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.

Spectacled Eider

Habitat

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

Range

Distributed across Norway and Sweden.

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 🇸🇪 Sweden