Ring-necked Duck vs White-eyed Duck

Aythya collaris compared with Aythya australis

Taxonomic Classification

Rank	Ring-necked Duck	White-eyed Duck
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Aves (นก)	Aves (นก)
Order same	Anseriformes (อันดับห่าน)	Anseriformes (อันดับห่าน)
Family same	Anatidae	Anatidae
Genus same	Aythya	Aythya
Species	Aythya collaris	Aythya australis

Evolutionary Relationship

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

Conservation Status

Ring-necked Duck

LC — Least Concern

White-eyed Duck

LC — Least Concern

Physical Characteristics

Attribute	Ring-necked Duck	White-eyed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

White-eyed Duck

Habitat

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

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom.

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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway