Eurasian Wigeon (Mareca penelope) ヒドリガモ
The Eurasian Wigeon is found north of the equator. The American Wigeon is also found north of the equator but more common in North America.
The male in the center is close to the breeding plumage. The Other two look like males in eclipse plumage. Amami 2025
A male Eurasian Wigeon has white sides and a brown head with a tan patch on the forehead. In eclipse plumage they can look very much like the females. Amami 2025
A female Eurasian Wigeon is much plainer. Amami 2025
This could be a male Eurasian Wigeon in eclipse plumage. Amami 2025