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 (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Aves (鳥類)	Aves (鳥類)
Order same	Anseriformes (カモ目)	Anseriformes (カモ目)
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

アメリカヒドリ（Mareca americana）はIUCNレッドリストで未評価（NE）に分類されています。IUCNレッドリストの基準に照らしてまだ評価されておらず、保全状況は未定です。

Gadwall

オカヨシガモ（Mareca strepera）はIUCNレッドリストで軽度懸念（LC）に分類される。分布域全体で広く生息しており、個体群は安定していて、差し迫った保全上の懸念はない。

Shared Countries

Both species can be found in 7 countries:

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