American Wigeon vs Gadwall

Mareca americana compared with Mareca strepera

Key Differences

• American Wigeon is Not Evaluated while Gadwall is Least Concern.

Taxonomic Classification

Rank	American Wigeon	Gadwall
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	Mareca	Mareca
Species	Mareca americana	Mareca strepera

Evolutionary Relationship

American Wigeon and Gadwall share a common ancestor at the Genus level: Mareca.

Conservation Status

American Wigeon

NE — Not Evaluated

Gadwall

LC — Least Concern

Physical Characteristics

Attribute	American Wigeon	Gadwall
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Wigeon

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, Venezuela).

Gadwall

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).

American Wigeon

美洲赤颈鸭（Mareca 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，保护状况有待确定。

Gadwall

赤膀鸭（Mareca strepera）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，无直接的保护关注。

Shared Countries

Both species can be found in 7 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇸 United States