Birds Active day and night

Black-bellied Whistling-Duck

Dendrocygna autumnalis

iNaturalist eBird Wikipedia

With its vibrant red bill, long pink legs, and a habit of perching in trees like a songbird, the Black-bellied Whistling-Duck is one of the most unique and vocal visitors to suburban wetlands across the Americas.

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Quick Identification

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Size

Length: 18-21 in (47-53 cm); Wingspan: 30-37 in (76-94 cm); Weight: 1.5-2.2 lbs (650-1000 g)

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Colors

Distinctive chestnut-brown body and neck with a contrasting black belly; grey face; bright coral-red bill and long pink legs. Males and females are identical in appearance.

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Key Features

Bright coral-red or pink bill and long pink legs
Solid black belly and underside
Large white wing patches visible in flight
Long, goose-like neck and upright posture

When You’ll See Them

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Activity pattern Active day and night

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Peak hours 6-9 PM, 4-7 AM

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Season Year-round

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Diet Mostly herbivorous, feeding on seeds of various grasses, sedges, and agricultural grains like corn, rice, and sorghum. They forage by walking through fields or dabbling in shallow water, occasionally supplementing their diet with aquatic insects and snails.

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Habitat Shallow freshwater ponds, marshes, flooded agricultural fields, and suburban wetlands with nearby trees for roosting.

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Where Does the Black-bellied Whistling-Duck Live?

Native to the Americas, the Black-bellied Whistling-Duck is a highly successful species that ranges from the southern United States through Mexico and Central America, extending deep into South America as far as northern Argentina. In the United States, they are year-round residents of Texas, Louisiana, and Florida, but have recently expanded their breeding range northward into the Carolinas, Georgia, and even the Midwest. They are primarily a lowland species, favoring tropical and subtropical climates with easy access to standing water.

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9 Countries

16.5M km² Range

Least Concern Conservation

US United States MX Mexico BR Brazil AR Argentina CO Colombia VE Venezuela PA Panama CR Costa Rica GT Guatemala

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iNaturalist / Verified observation data

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Behavior

The Black-bellied Whistling-Duck is a highly social and boisterous waterfowl species, famous for its namesake high-pitched, whistling calls that often echo through the night. Unlike most ducks, they are quite comfortable perching on tree branches, fences, and even rooftops, a trait that earned them the nickname 'tree ducks.' They form strong, long-term pair bonds and are frequently seen in large, gregarious flocks outside of the breeding season.

These ducks are primarily crepuscular and nocturnal, spending much of the daylight hours resting and becoming highly active at dusk. They are surprisingly bold around human habitation, often frequenting suburban parks, golf courses, and backyard ponds. Their flight is distinctive, with slow, heavy wingbeats that reveal broad white stripes against their dark wings.

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Camera Tips

To capture the best footage of Black-bellied Whistling-Ducks, place your AI-powered camera near the edge of a freshwater pond or a large, stable bird bath. Because they are significantly more active after the sun goes down, it is crucial to use a camera with high-quality infrared night vision or a low-glow flash that won't startle the flock. Position the camera at a low angle, about 1 to 2 feet off the ground, to catch their unique 'walking' gait and the detail of their pink legs as they forage near the water's edge.

If you have large trees near water, consider mounting a camera higher up—roughly 10 to 15 feet—facing a sturdy horizontal branch or a wood duck nesting box. These ducks are cavity nesters and will frequently visit these spots during the spring (typically March through June). A wide-angle lens is ideal here, as it captures the clumsy but charismatic way they land on branches, which is a rare sight for most duck species. High sensitivity settings are recommended to trigger the camera when they fly into the frame.

Attracting them to a specific spot is relatively easy if you have a lawn or platform. Scattering cracked corn or poultry grain on a low platform feeder near water is almost a guarantee for a visit. Since they travel in large, noisy groups, set your camera to take 'burst' photos or 15-20 second videos. This allows the AI to capture the complex social interactions and the beautiful white wing patches that are only visible when they stretch or take flight.

Similar Species

Species that look similar or are commonly confused with Black-bellied Whistling-Duck.

Fulvous Whistling-Duck

Lacks the red bill and black belly; has an overall warm tawny-brown color and a dark bill.

Wood Duck

While it also nests in trees, the male Wood Duck has much more intricate, iridescent plumage and a distinct crest, whereas Whistling-Ducks have longer legs and a goose-like profile.

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Frequently Asked Questions

Black-bellied Whistling-Ducks are primarily crepuscular and nocturnal. They are most active during the hours of dawn and dusk, and they often spend the entire night foraging in fields or wetlands, while resting during the heat of the day.

You can attract them by providing a shallow water source and offering cracked corn or grains on a platform feeder near the water. If you have large trees, installing a specialized nesting box can also encourage them to stay during the breeding season.

Their diet consists mainly of seeds and plant material, including cultivated grains like rice and corn. They also eat aquatic plants and occasionally small insects or mollusks found in the mud.

Yes, they are very common in suburban environments, particularly in Florida, Texas, and the Gulf Coast. They frequently adapt to man-made habitats like golf course ponds, neighborhood detention basins, and large backyard gardens.

The easiest way to tell them apart is by the bill and belly. Black-bellied Whistling-Ducks have a bright red bill and a solid black belly, while Fulvous Whistling-Ducks have a dark bill and a tawny, caramel-colored belly.

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