Eurasian beaver vs Red-breasted Merganser

Castor fiber compared with Mergus serrator

Key Differences

• Eurasian beaver is Vulnerable while Red-breasted Merganser is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Red-breasted Merganser
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Mammalia (포유류)	Aves (새)
Order	Rodentia (설치류)	Anseriformes (기러기목)
Family	Castoridae (Beavers)	Anatidae
Genus	Castor (Beavers)	Mergus
Species	Castor fiber	Mergus serrator

Evolutionary Relationship

Eurasian beaver and Red-breasted Merganser share a common ancestor at the Phylum level: Chordata. (척삭동물)

Conservation Status

Eurasian beaver

VU — Vulnerable

Red-breasted Merganser

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Red-breasted Merganser
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.

Red-breasted Merganser

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Colombia).

Eurasian beaver

유라시아비버(Castor fiber)는 IUCN 적색 목록에서 취약(VU)으로 분류됩니다. 개체군이 감소하고 서식지 압박이 증가하며 야생에서 멸종 위기에 처할 높은 위험에 직면해 있습니다.

Red-breasted Merganser

붉은가슴비오리(Mergus serrator)는 IUCN 적색목록에서 최소관심(LC)으로 분류된다. 서식 범위 전역에서 광범위하고 풍부하며, 개체군이 안정적이고 즉각적인 보전 우려가 없다.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden