Red-breasted Merganser vs Scaly-sided Merganser

Mergus serrator compared with Mergus squamatus

Key Differences

• Red-breasted Merganser is Least Concern while Scaly-sided Merganser is Endangered.

Taxonomic Classification

Rank	Red-breasted Merganser	Scaly-sided Merganser
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Aves (새)	Aves (새)
Order same	Anseriformes (기러기목)	Anseriformes (기러기목)
Family same	Anatidae	Anatidae
Genus same	Mergus	Mergus
Species	Mergus serrator	Mergus squamatus

Evolutionary Relationship

Red-breasted Merganser and Scaly-sided Merganser share a common ancestor at the Genus level: Mergus.

Conservation Status

Red-breasted Merganser

LC — Least Concern

Scaly-sided Merganser

EN — Endangered

Physical Characteristics

Attribute	Red-breasted Merganser	Scaly-sided Merganser
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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).

Scaly-sided Merganser

Habitat

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

Range

Distributed across Norway and Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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 2 countries:

🇳🇴 Norway 🇹🇼 Taiwan