Uncommon migrant and rare winter visitor in Hong Kong. Often found in shallow freshwater wetlands, especially in ponds and lakes with emergent and floating vegetation. 香港不常見的遷徒鳥和罕見的冬候鳥,於淡水濕地出沒,偏好浮葉植物的池塘和湖泊。…
Common autumn passage migrant in Hong Kong, declining summer breeding visitor with small numbers in winter. Adult: Black plumage and deeply forked tail, often has small white spot below the eye. Juvenile: whitish scaling on underparts. 香港秋季常見過境遷徒鳥,夏季有本地繁殖,數量在下降中,冬季有少量。 成鳥:羽色為均匀黑色和尾部分义 幼鳥:下體有偏白色鱗狀紋…