Eastern Spot-billed Duck

The eastern or Chinese spot-billed duck is a dabbling duck of East and Southeast Asia, named for the yellow tip of its black bill. It is mainly grey with a paler head and neck, whitish wings with black flight feathers below and white-bordered green above. The male has no eclipse plumage, and juveniles are browner and duller. It was formerly considered a subspecies of the Indian spot-billed duck and is darker and browner than that bird, with body plumage more like the Pacific black duck (Wikipedia, general species account).

It is 55–63 cm long, with a wingspan of 83–95 cm and a mass of 790–1,500 g. It is migratory, wintering in southern China and possibly Southeast Asia, and quite gregarious outside the breeding season, forming small flocks. The breeding season varies with rainfall and water but is normally April to July, with usually seven to nine eggs.