The whistling ducks or tree ducks are a subfamily, Dendrocygninae, of the duck, goose and swan family of birds, Anatidae. In other taxonomic schemes, they are considered a separate family, Dendrocygnidae.

The Black-bellied Whistling-Duck is a large, gooselike duck with a long neck, long legs, and short tail. In flight, look for their broad wings, long neck, and hunched back.

Audubon’s scientists have used 140 million bird observations and sophisticated climate models to project how climate change will affect the range of the Black-bellied Whistling-Duck. Learn even more in our Audubon’s Survival By Degrees project.

2006年4月4日 · There are eight species of whistling ducks in the world, but only two-the black-bellied and fulvous whistling ducks-occur in the United States. Scientists consider whistling ducks more closely related to geese and swans than to the "true ducks."

The Black-bellied Whistling-Duck is a boisterous duck with a brilliant pink bill and an unusual, long-legged silhouette. In places like Texas and Louisiana, watch for noisy flocks of these gaudy ducks dropping into fields to forage on seeds, or loafing on golf course ponds.

The black-bellied whistling duck (Dendrocygna autumnalis), formerly called the black-bellied tree duck, is a whistling duck that before 2000 bred mainly in the southernmost United States, Mexico, and tropical Central to south-central South America. It can be found year-round in …

Whistling duck, (genus Dendrocygna), any of eight species of long-legged and long-necked ducks that utter sibilant cries and may make whirring wing sounds in flight; these distinctive ducks are separated from other members of the family Anatidae (order Anseriformes) as a …

The black-bellied whistling duck is sometimes described as part goose and part duck, because of its rather peculiar physical features and behaviors. Like many goose species, black-bellied whistling ducks graze on grasses in upland areas, but …

Whistling-ducks are a distinctive group of about 8 species of brightly colored, oddly proportioned waterfowl. The Fulvous Whistling-Duck is a mix of rich caramel-brown and black, a long-legged and long-necked creature found in warm freshwater marshes …

A lanky bird of shallow wetlands, widespread in the tropics of Africa, Asia, and the Americas. Known for its tendency to wander hundreds of miles in roving flocks. Unlike Black-bellied Whistling-Duck, this species seldom perches in trees.