Male American Wigeons, also known as baldpates, have a distinctive white crown and forehead, with a dark green patch behind the eye extending to the back of the head. Their body is a mix of pinkish-brown on the breast and sides, and white on the belly and sides of the rump. Females are more uniformly brown, with a grayish head and a dark eye spot.

Male American Wigeon:
• Head: White forehead and crown, with a dark green patch around the eye and down the back of the head.
• Body: Pinkish-brown breast and sides, white belly and sides of the rump, and black undertail coverts.
• Bill: Bluish-gray with a black tip.
• Wings: Large white patches on the upper wings in flight.
• Other: Often called "baldpate" due to the white cap.

Female American Wigeon:
• Head: Grayish, often with a dark eye spot.
• Body: Brown, with a more muted overall coloration compared to the male.
• Bill: Bluish-gray with a black tip.
• Wings: Smaller white patch on the upper wings in flight.
• Other: More subtle coloration makes them blend into their environment.