Canvasback vs Greater Scaup

Aythya valisineria compared with Aythya marila

Key Differences

• Canvasback is Not Evaluated while Greater Scaup is Vulnerable.

Taxonomic Classification

Rank	Canvasback	Greater Scaup
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum same	Chordata (रज्जुकी)	Chordata (रज्जुकी)
Class same	Aves (पक्षी)	Aves (पक्षी)
Order same	Anseriformes (ऐन्सरीफोर्मीस)	Anseriformes (ऐन्सरीफोर्मीस)
Family same	Anatidae	Anatidae
Genus same	Aythya	Aythya
Species	Aythya valisineria	Aythya marila

Evolutionary Relationship

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

Conservation Status

Canvasback

NE — Not Evaluated

Greater Scaup

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Canvasback

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and North America (United States).

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.

Canvasback

Canvasback (Aythya valisineria) 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 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States