Eurasian Wigeon vs Gadwall

Mareca penelope compared with Mareca strepera

Key Differences

• Eurasian Wigeon is Vulnerable while Gadwall is Least Concern.

Taxonomic Classification

Rank	Eurasian 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 penelope	Mareca strepera

Evolutionary Relationship

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

Conservation Status

Eurasian Wigeon

VU — Vulnerable

Gadwall

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Eurasian Wigeon

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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).

Eurasian Wigeon

ヒドリガモ（Mareca penelope）はIUCNレッドリストで危急（VU）に分類されています。野生での危機的状況に陥る高いリスクがあり、個体数が減少し、生息地への圧力が増しています。

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 6 countries:

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