紅頭潛鴨 vs 美洲潛鴨

Aythya ferina compared with Aythya americana

Key Differences

• 紅頭潛鴨 is Near Threatened while 美洲潛鴨 is Not Evaluated.

Taxonomic Classification

Rank	紅頭潛鴨	美洲潛鴨
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 ferina	Aythya americana

Evolutionary Relationship

紅頭潛鴨 and 美洲潛鴨 share a common ancestor at the Genus level: Aythya.

Conservation Status

紅頭潛鴨

NT — Near Threatened

美洲潛鴨

NE — Not Evaluated

Physical Characteristics

Attribute	紅頭潛鴨	美洲潛鴨
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

紅頭潛鴨

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (8 countries), and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

美洲潛鴨

Habitat

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

Range

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

紅頭潛鴨

红头潜鸭（Aythya ferina）在IUCN红色名录中被列为近危（NT）。接近受威胁标准，若无保护措施，种群可能变得脆弱。

美洲潛鴨

赤头潜鸭（Aythya americana）在IUCN红色名录中被列为未评估（NE）。尚未依据IUCN红色名录标准进行评估，保育状况有待确定。

Shared Countries

Both species can be found in 7 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇸🇪 Sweden 🇬🇧 United Kingdom 🇺🇸 United States