Gadwall vs American Wigeon

In short

The Gadwall and American Wigeon are both dabbling ducks often found in similar wetland habitats. Key differences include the Gadwall's more subdued plumage and the American Wigeon's distinctive white forehead and green eye patch in males. Both species have different vocalizations, with the American Wigeon producing a high-pitched, squeaky call.

Identification tips

• Male Gadwall: Look for the gray-brown body and black rear end.
• Male American Wigeon: Note the white forehead and green eye patch.
• Female Gadwall vs. Female American Wigeon: Check for a more pronounced white belly on the American Wigeon.
• Vocalization: Listen for the American Wigeon's squeaky call.
• Behavior: Observe feeding behavior; American Wigeons may be more aggressive.

Size

Both species are similar in size, though the American Wigeon may appear slightly bulkier due to its more rounded body shape.

Plumage

Male Gadwalls have a subtle gray-brown body with a black rear end, while male American Wigeons are more striking with a white forehead and a green stripe extending from the eye. Female Gadwalls are mottled brown, similar to female American Wigeons, but the latter have a more pronounced white belly.

Behaviour

American Wigeons are known for their aggressive feeding behavior, often stealing food from other ducks. Gadwalls are more reserved in their feeding habits.

Habitat

Both species frequent open-water wetlands, but American Wigeons are more commonly seen in urban areas such as parks and golf courses.

Voice

The American Wigeon has a distinct, high-pitched, three-note call reminiscent of a squeaky toy, while the Gadwall's vocalizations are quieter and less distinctive.