斑背潛鴨 vs 小潛鴨

Aythya marila compared with Aythya affinis

Key Differences

• 斑背潛鴨 is Vulnerable while 小潛鴨 is Least Concern.

Taxonomic Classification

Rank	斑背潛鴨	小潛鴨
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 marila	Aythya affinis

Evolutionary Relationship

斑背潛鴨 and 小潛鴨 share a common ancestor at the Genus level: Aythya.

Conservation Status

斑背潛鴨

VU — Vulnerable

小潛鴨

LC — Least Concern

Physical Characteristics

Attribute	斑背潛鴨	小潛鴨
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

斑背潛鴨

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

小潛鴨

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

斑背潛鴨

斑背潜鸭（Aythya marila）在IUCN红色名录中被列为易危物种（VU）。野外种群数量下降，栖息地压力增加，面临较高的濒危风险。

小潛鴨

小潜鸭（Aythya affinis）被IUCN红色名录列为无危（LC）物种。在其分布范围内广泛分布，种群数量丰富稳定，无紧迫的保护问题。

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States