栗胸鴨 vs 小水鴨

Anas castanea compared with Anas crecca

Taxonomic Classification

Rank	栗胸鴨	小水鴨
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	Anas	Anas
Species	Anas castanea	Anas crecca

Evolutionary Relationship

栗胸鴨 and 小水鴨 share a common ancestor at the Genus level: Anas.

Conservation Status

栗胸鴨

LC — Least Concern

小水鴨

LC — Least Concern

Physical Characteristics

Attribute	栗胸鴨	小水鴨
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

栗胸鴨

Habitat

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

Range

Found across Europe (8 countries).

小水鴨

Habitat

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

Range

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

栗胸鴨

栗色鸭（Anas castanea）在IUCN红色名录中被列为无危（LC）。分布广泛，种群数量稳定，无直接保护威胁。

小水鴨

绿翅鸭（Anas crecca）在IUCN红色名录中被列为无危（LC）。在整个分布范围内广泛分布且数量丰富，种群稳定，无直接保育顾虑。

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden