9/birds/eurasian-wigeon-anas-penelope/photos/2027/details?type=BirdPhoto/birds/eurasian-wigeon-anas-penelope/photos/2027/photo_info_content?type=BirdPhotoBasic-plumaged adult male (January), Oregon. Note the green stripe behind the eye. Adult male Eurasians of show this, thus it is not necessarily indicative of the bird being a hybrid. Other aspects of this bird's plumage are typical of a pure Eurasian.
10/birds/eurasian-wigeon-anas-penelope/photos/2029/details?type=BirdPhoto/birds/eurasian-wigeon-anas-penelope/photos/2029/photo_info_content?type=BirdPhotoWinter adult male (January). Hint of green eye stripe is often shown by male Eurasian, causing them to be reported as hybrids. All other aspects of this bird's plumage are typical of a pure Eurasian.
11/birds/eurasian-wigeon-anas-penelope/photos/7992/details?type=BirdPhoto/birds/eurasian-wigeon-anas-penelope/photos/7992/photo_info_content?type=BirdPhotoWinter adult male (December).
20/birds/eurasian-wigeon-anas-penelope/photos/2026/details?type=BirdPhoto/birds/eurasian-wigeon-anas-penelope/photos/2026/photo_info_content?type=BirdPhotoLate fall adult male (November). Green eye stripe is typical of many male Eurasian Wigeon and not indicative of this bird being a hybrid. Note that all other aspects of the bird's plumage are typical of a pure adult male Eurasian.
21/birds/eurasian-wigeon-anas-penelope/photos/2031/details?type=BirdPhoto/birds/eurasian-wigeon-anas-penelope/photos/2031/photo_info_content?type=BirdPhotoPresumed first basic-plumaged male in (January), note that the white patch on the lower flanks and the normally white bar on the flanks (greater coverts) are both mottled brown, suggesting that this is a first-winter bird
22/birds/eurasian-wigeon-anas-penelope/photos/20589/details?type=BirdPhoto/birds/eurasian-wigeon-anas-penelope/photos/20589/photo_info_content?type=BirdPhotoFall adult male (October), Oregon. This individual is transitioning out of alternate ("eclipse") plumage into its basic plumage. Eurasian Wigeon molt later in the fall than most North American dabbling ducks.
23/birds/eurasian-wigeon-anas-penelope/photos/20590/details?type=BirdPhoto/birds/eurasian-wigeon-anas-penelope/photos/20590/photo_info_content?type=BirdPhotoFall adult male in alternate ("eclipse") plumage (October), Oregon. Prebasic molt occurs later in Eurasian dabbling ducks than it does in their North American counterparts, making Eurasian Wigeon harder to detect early in the Fall.
24/birds/eurasian-wigeon-anas-penelope/photos/126/details?type=BirdPhoto/birds/eurasian-wigeon-anas-penelope/photos/126/photo_info_content?type=BirdPhotoWinter adult female (January), Oregon. Note warmer cinnamon color of head, which shows no contrast with the flank color. On adult females the edges of scaps, coverts and tertials are more buffy to whitish.
28/birds/eurasian-wigeon-anas-penelope/photos/7993/details?type=BirdPhoto/birds/eurasian-wigeon-anas-penelope/photos/7993/photo_info_content?type=BirdPhotoPresumed hatch-year female (November), Oregon. Note warm cinnamon tone of entire head, neck, and breast, with no apparent contrast and darker rusty edges to scap and covert feathers.
29/birds/eurasian-wigeon-anas-penelope/photos/4489/details?type=BirdPhoto/birds/eurasian-wigeon-anas-penelope/photos/4489/photo_info_content?type=BirdPhotoPresumed hatch-year female (November), Oregon. Note warm cinnamon tone of entire head, neck, and breast, with no apparent contrast and darker rusty edges to scap and covert feathers.
30/birds/eurasian-wigeon-anas-penelope/photos/4488/details?type=BirdPhoto/birds/eurasian-wigeon-anas-penelope/photos/4488/photo_info_content?type=BirdPhotoPresumed first-winter female (January). Note the smaller more rounded back and scapular feathers and the darker rusty edges to these feathers. Adult females have larger, more elongated back and scaps with paler margins.
31/birds/eurasian-wigeon-anas-penelope/photos/4490/details?type=BirdPhoto/birds/eurasian-wigeon-anas-penelope/photos/4490/photo_info_content?type=BirdPhotoPresumed first basic-plumaged female (first winter bird) due to the general lack of white and grayish edges to mantle and scapular feathers
35/birds/eurasian-wigeon-anas-penelope/photos/7997/details?type=BirdPhoto/birds/eurasian-wigeon-anas-penelope/photos/7997/photo_info_content?type=BirdPhotoBasic-plumaged adult male (December). Green feathering behind the eye is shown by many adult male Eurasian Wigeon and not indicative of the bird being a hybrid.
36/birds/eurasian-wigeon-anas-penelope/photos/2028/details?type=BirdPhoto/birds/eurasian-wigeon-anas-penelope/photos/2028/photo_info_content?type=BirdPhotoBasic-plumaged adult male (January)
37/birds/eurasian-wigeon-anas-penelope/photos/19791/details?type=BirdPhoto/birds/eurasian-wigeon-anas-penelope/photos/19791/photo_info_content?type=BirdPhotoWinter adult male American Wigeon X Eurasian Wigeon hybrid (December), New York. Note the mix of gray and pinkish-brown flank feathers, cinnamon wash on the back of the face and the more creamy color of the crown.