Greater Scaup vs Redhead

Aythya marila compared with Aythya americana

Key Differences

• Greater Scaup is Vulnerable while Redhead is Not Evaluated.

Taxonomic Classification

Rank	Greater Scaup	Redhead
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	Aythya	Aythya
Species	Aythya marila	Aythya americana

Evolutionary Relationship

Greater Scaup and Redhead share a common ancestor at the Genus level: Aythya.

Conservation Status

Greater Scaup

VU — Vulnerable

Redhead

NE — Not Evaluated

Physical Characteristics

Attribute	Greater Scaup	Redhead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Greater Scaup

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Redhead

Habitat

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

Range

Found across Europe (7 countries) and North America (United States).

Greater Scaup

흰뺨오리(Aythya marila)는 IUCN 적색목록에서 취약종(VU)으로 분류됩니다. 개체군이 감소하고 서식지 압박이 증가하면서 야생에서의 위기 위험이 높습니다.

Redhead

붉은머리오리(Aythya americana)는 IUCN 적색목록에서 미평가(NE)로 분류된다. 아직 IUCN 적색목록 기준에 따라 평가되지 않았으며, 보전 상태는 결정되지 않은 상태다.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States