Redhead vs Ring-necked Duck

Aythya americana compared with Aythya collaris

Key Differences

• Redhead is Not Evaluated while Ring-necked Duck is Least Concern.

Taxonomic Classification

Rank	Redhead	Ring-necked Duck
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (burung)	Aves (burung)
Order same	Anseriformes (Anseriformes)	Anseriformes (Anseriformes)
Family same	Anatidae	Anatidae
Genus same	Aythya	Aythya
Species	Aythya americana	Aythya collaris

Evolutionary Relationship

Redhead and Ring-necked Duck share a common ancestor at the Genus level: Aythya.

Conservation Status

Redhead

NE — Not Evaluated

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	Redhead	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Redhead

Habitat

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

Range

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

Ring-necked Duck

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, Ecuador, Venezuela).

Redhead

Redhead (Aythya americana) 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.

Ring-necked Duck

Ring-necked Duck (Aythya collaris) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 5 countries:

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