เป็ดดำหัวดำ vs Ring-necked Duck

Aythya baeri compared with Aythya collaris

Key Differences

• เป็ดดำหัวดำ is Critically Endangered while Ring-necked Duck is Least Concern.

Taxonomic Classification

Rank	เป็ดดำหัวดำ	Ring-necked 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 baeri	Aythya collaris

Evolutionary Relationship

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

Conservation Status

เป็ดดำหัวดำ

CR — Critically Endangered

Ring-necked Duck

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

เป็ดดำหัวดำ

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate coniferous forests, among 4 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Asia (Taiwan) and Europe (5 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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).

เป็ดดำหัวดำ

The Baer's Pochard (Aythya baeri) is a species in the genus Aythya. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate coniferous forests, among 4 distinct biome types spanning the Indomalayan and Palearctic re.

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 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇹🇼 Taiwan