Birds Active during the day

Gadwall

Mareca strepera

iNaturalist eBird Wikipedia

The Gadwall is the 'gentleman duck' of the wetlands, sporting sophisticated, understated patterns and a clever personality. Often found in quiet suburban ponds, this elegant dabbler is a reward for any patient backyard wildlife observer.

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0 Habitats

Quick Identification

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Size

Length: 46–56 cm (18–22 in); Wingspan: 78–90 cm (31–35 in); Weight: 650–1,250 g (1.4–2.8 lbs)

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Colors

Males are intricately patterned gray-brown with a distinct black rear; females are mottled brown with an orange-edged bill. Both sexes show a white wing patch.

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Key Features

Square-shaped head with a steep forehead
Small white wing patch (speculum) visible in flight and sometimes at rest
Male has a stark jet-black rump and tail-coverts
Female has a thin, orange-sided bill and white belly

When You’ll See Them

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Activity pattern Active during the day

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Peak hours 6-10 AM, 3-6 PM

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Season Year-round

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Diet Primarily herbivorous, consuming the stems, leaves, and seeds of aquatic plants; they also eat some aquatic insects, snails, and crustaceans, particularly during the nesting season.

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Habitat Shallow freshwater wetlands, marshes, prairie potholes, and suburban ponds with abundant submerged vegetation.

public Geographic range

Where Does the Gadwall Live?

The Gadwall is a widely distributed traveler of the Northern Hemisphere, found across vast stretches of North America, Eurasia, and North Africa. In North America, they breed primarily in the Great Plains and Great Basin, though their range has expanded significantly eastward into the Great Lakes and Atlantic coast over the last century. Across the Atlantic, they are common throughout Europe and Central Asia, with many populations migrating to the Mediterranean, India, and East Africa during the winter months to escape freezing waters.

Basemap © OpenStreetMap contributors

10 Countries

35.8M km² Range

Least Concern Conservation

US United States CA Canada MX Mexico GB United Kingdom Russia CN China IN India DE Germany FR France JP Japan

Elevation range

0 m1,000 m2,000 m4,000 m

Sea level – 2,000 m

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iNaturalist / Verified observation data

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Behavior

Gadwalls are understated dabbling ducks, often overlooked because they lack the vibrant colors of Mallards or Wood Ducks. They are generally quieter and more reserved, preferring to feed in pairs or small groups. Unlike many other ducks, they are famous for 'kleptoparasitism'—frequently stealing bits of aquatic vegetation from diving birds like American Coots or diving ducks as they surface. This clever foraging strategy allows them to access nutrient-rich plants from deeper water that they couldn't reach by dabbling alone.

In social settings, they are less likely to approach humans for handouts than Mallards, maintaining a cautious distance in suburban ponds. They are most active during the day but can also be seen feeding under the light of a full moon. During the breeding season, males perform subtle displays, including a rhythmic 'burp' call while tossing their heads, though they remain one of the more soft-spoken members of the Anatidae family.

photo_camera EverydayEarth exclusive

Camera Tips

To capture the best footage of Gadwalls, place your camera at the water's edge on a low-profile tripod or a secure rock. The ideal height is roughly 6 to 12 inches above the water line. Aim the lens toward floating mats of vegetation or shallow muddy banks where the ducks are likely to 'dabble' or rest. Because Gadwalls are more timid than Mallards, use a camera with a high-quality PIR (passive infrared) sensor that can trigger from a distance, or set a shorter trigger interval to ensure you catch them as they drift into the frame.

While Gadwalls aren't as attracted to typical birdseed as songbirds, a handful of cracked corn or specialized waterfowl pellets placed on a partially submerged log can serve as an effective lure. This encourages them to pause in front of the lens rather than drifting past. If your camera allows for custom settings, prioritize a high shutter speed. Even though they look calm, their head movements while feeding are quick, and a slow shutter will result in motion blur. Burst mode is excellent for capturing the moment they flap their wings to dry off, which is the best time to see their white speculum.

Pay close attention to the lighting. Gadwalls have subtle, 'scaly' feather patterns that are easily washed out in harsh midday sun. Positioning your camera to face north or south will prevent direct lens flare and take advantage of the 'golden hour' light in the early morning and late afternoon. This soft lighting brings out the rich textures of the male's gray plumage. During winter, look for them in mixed flocks; if you see American Coots on your camera, Gadwalls are likely nearby waiting to steal their food.

Similar Species

Species that look similar or are commonly confused with Gadwall.

Mallard

Mallards have a blue wing patch and males have green heads, whereas Gadwalls have a white wing patch and males are gray.

American Wigeon

Wigeons have a distinctive green eye stripe and a white cap, and they lack the jet-black rump of the male Gadwall.

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Frequently Asked Questions

Gadwall are primarily diurnal, meaning they are most active during daylight hours. They exhibit peak activity in the early morning and late afternoon when they spend the majority of their time foraging for aquatic plants. In some areas, they may also feed at night to avoid predators or human disturbance.

If you have a pond or wetland on your property, the best way to attract Gadwall is by maintaining healthy, native aquatic vegetation. They prefer shallow water with plenty of pondweed and algae. Avoiding the use of harsh chemicals in your pond will ensure their natural food sources thrive. Providing a safe, quiet bank with some cover will also make them feel secure.

Gadwall are primarily herbivores. Their diet consists mostly of the submerged parts of aquatic plants, such as pondweed, milfoil, and algae. During the summer and breeding season, they supplement this with protein-rich aquatic insects, snails, and small crustaceans to help with egg production and growth.

Yes, Gadwall have become increasingly common in suburban parks and residential areas with large ponds or stormwater management basins. While they are more cautious than Mallards, they adapt well to human-modified landscapes as long as there is sufficient vegetation and a lack of constant harassment.

The easiest way to distinguish them is by color and shape. While a male Mallard has a bright green head, a male Gadwall is mostly gray with a black 'butt.' Females are trickier, but look for the Gadwall's white wing patch (Mallards have blue) and the Gadwall's steeper forehead and thinner, orange-edged bill.

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