青頭潛鴨 vs 环颈潜鸭

Aythya baeri compared with Aythya collaris

Key Differences

• 青頭潛鴨 is Critically Endangered while 环颈潜鸭 is Least Concern.

Taxonomic Classification

Rank	青頭潛鴨	环颈潜鸭
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Aves (鳥綱)	Aves (鳥綱)
Order same	Anseriformes (雁形目)	Anseriformes (雁形目)
Family same	Anatidae	Anatidae
Genus same	Aythya	Aythya
Species	Aythya baeri	Aythya collaris

Evolutionary Relationship

青頭潛鴨 and 环颈潜鸭 share a common ancestor at the Genus level: Aythya.

Conservation Status

青頭潛鴨

CR — Critically Endangered

环颈潜鸭

LC — Least Concern

Physical Characteristics

Attribute	青頭潛鴨	环颈潜鸭
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

青頭潛鴨

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.

环颈潜鸭

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).

青頭潛鴨

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.

环颈潜鸭

环颈潜鸭（Aythya collaris）在IUCN红色名录中被列为无危（LC）。在其分布范围内广泛分布且数量丰富，种群稳定，无迫切保护忧虑。

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇹🇼 Taiwan