Gadwall vs Falcated Duck

In short

The Gadwall and Falcated Duck are both dabbling ducks, but they can be distinguished by key features. The Gadwall has a more understated plumage with a distinctive white speculum, while the Falcated Duck is more colorful, especially the male with its iridescent green head and long, sickle-shaped tertials. Both species share similar habitats, but their plumage and behavior offer reliable identification cues.

Identification tips

1. Look for the Gadwall's white speculum and subtle gray plumage. 2. Note the Falcated Duck's iridescent green head and long tertials in males. 3. Consider the geographic location; Falcated Ducks are more common in Asia. 4. Observe behavior; both are dabblers but the Falcated Duck may display more vibrant movements.

Size

Both species are medium-sized ducks, but the Falcated Duck may appear slightly more compact due to its unique feather structure.

Plumage

The male Gadwall is mostly gray with a black rear end and a white speculum, while the female is mottled brown. The male Falcated Duck is more striking with a green head, white throat, and long, curved tertials. Females of both species are more similar but the Falcated Duck female has a more pronounced pattern on the head.

Behaviour

Both species are dabblers, often seen tipping forward in the water to feed. The Falcated Duck may appear more active due to its more vibrant plumage and display behaviors.

Habitat

Both species prefer wetlands and shallow lakes, but the Falcated Duck is more commonly found in Asia, whereas the Gadwall has a broader range including North America and Europe.

Voice

The Gadwall's call is a soft quack, while the Falcated Duck's vocalizations are less documented but generally quieter.