البط الصدئي vs Greater Scaup

Aythya nyroca compared with Aythya marila

Key Differences

• البط الصدئي is Not Evaluated while Greater Scaup is Vulnerable.

Taxonomic Classification

Rank	البط الصدئي	Greater Scaup
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class same	Aves (طيور)	Aves (طيور)
Order same	Anseriformes (إوزيات)	Anseriformes (إوزيات)
Family same	Anatidae	Anatidae
Genus same	Aythya	Aythya
Species	Aythya nyroca	Aythya marila

Evolutionary Relationship

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

Conservation Status

البط الصدئي

NE — Not Evaluated

Greater Scaup

VU — Vulnerable

Physical Characteristics

Attribute	البط الصدئي	Greater Scaup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

البط الصدئي

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.

البط الصدئي

Ferruginous Duck (Aythya nyroca) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Greater Scaup

Greater Scaup (Aythya marila) 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 4 countries:

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