Description:
Approximately 46 cm in length. Medium size, with long and narrow wings.
Adult: The upperparts, including the wings and back, are dark gray, prominently barred with black. The tail is white. The bill is long, yellow with a red tip, and features a black ring on the tip (a black band encircling the end of the bill, resembling a ring). Legs are pale yellowish-green.
In winter, there are more dark streaks on the crown and nape.
First-year birds: Pale face, pale pink bill with a dark tip. The plumage is brown, contrasting with the black and white tail.
Juvenile: Dark brown upper back.
Distribution:
Northeast Vietnam (Red River Delta coastal region). This species typically inhabits coastal areas.
Status:
Migratory, rarely encountered.