Ferruginous Duck vs Greater Scaup

Aythya nyroca compared with Aythya marila

Key Differences

• Ferruginous Duck is Not Evaluated while Greater Scaup is Vulnerable.

Taxonomic Classification

Rank	Ferruginous Duck	Greater Scaup
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 nyroca	Aythya marila

Evolutionary Relationship

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

Conservation Status

Ferruginous Duck

NE — Not Evaluated

Greater Scaup

VU — Vulnerable

Physical Characteristics

Attribute	Ferruginous Duck	Greater Scaup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ferruginous Duck

Habitat

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

Range

Found across Asia (Taiwan) and Europe (8 countries).

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.

Ferruginous Duck

흰눈오리(Aythya nyroca)는 IUCN 적색목록에서 미평가(NE)로 분류된다. 아직 IUCN 적색목록 기준에 따라 평가되지 않았으며 보전 등급을 결정할 필요가 있다.

Greater Scaup

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

Shared Countries

Both species can be found in 4 countries:

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