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Black-bellied Whistling-Duck Identification

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The Four Keys to ID

  • Size & Shape

    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.

    Relative Size

    About the size of a Cattle Egret; slightly larger than a Fulvous Whistling-Duck.

    Relative Sizebetween crow and goosebetween crow and goose

    Measurements
    • Both Sexes
      • Length: 18.5-20.1 in (47-51 cm)
      • Weight: 23.0-36.0 oz (652-1020 g)

    Shape of the Black-bellied Whistling-Duck© Sean Fitzgerald / Macaulay Library
  • Black-bellied Whistling-Ducks are dark overall: a chestnut breast and black belly are set off by a bright-pink bill and legs, grayish face, and broad white wing stripe, also visible in flight. Immatures are duller than adults, with a dark bill, pale breast, and mottled black belly.

    Color pattern of the Black-bellied Whistling-Duck
    © Shawn Billerman / Macaulay Library
  • Flocks of Black-bellied Whistling-Ducks regularly feed on waste grain in agricultural fields, often at night. Listen for their high-pitched whistles as they travel from feeding fields to roosting sites. They often perch in trees and on logs over water. They nest in cavities and they take readily to nest boxes.

  • Black-bellied Whistling-Ducks roam edges of shallow ponds, golf courses, city parks, and schoolyards. They also frequent agricultural fields, particularly flooded rice fields. They seem to readily adopt human-altered habitats, and this has helped them move north into the southern U.S. in recent decades.

    © S. K. Jones / Macaulay Library