Американский красноголовый нырок vs Кольчатый нырок

Aythya americana compared with Aythya collaris

Key Differences

• Американский красноголовый нырок is Not Evaluated while Кольчатый нырок is Least Concern.

Taxonomic Classification

Rank	Американский красноголовый нырок	Кольчатый нырок
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class same	Aves (птицы)	Aves (птицы)
Order same	Anseriformes (гусеобразные)	Anseriformes (гусеобразные)
Family same	Anatidae	Anatidae
Genus same	Aythya	Aythya
Species	Aythya americana	Aythya collaris

Evolutionary Relationship

Американский красноголовый нырок and Кольчатый нырок share a common ancestor at the Genus level: Aythya.

Conservation Status

Американский красноголовый нырок

NE — Not Evaluated

Кольчатый нырок

LC — Least Concern

Physical Characteristics

Attribute	Американский красноголовый нырок	Кольчатый нырок
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Американский красноголовый нырок

Habitat

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

Range

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

Кольчатый нырок

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).

Американский красноголовый нырок

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.

Кольчатый нырок

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