白翅浮鷗
White-winged Tern
Chlidonias leucopterus
無危。春及秋季過境遷徙鳥。中型燕鷗，嘴黑色，腰白色。繁殖羽頭至腹部全黑，上體灰色，翼偏白。非繁殖羽與鬚浮鷗非常相似，但耳羽黑斑與頭頂濃密黑點相連。見於海岸地區和河口，在內陸的稻田和水淹地方覓食。
Least Concern. Spring and Autumn Passage Migrant. Medium-sized tern. Black bill, white rump. In breeding plumage, head to belly completely black, upperparts grey, with whitish wings. In non-breeding plumage, resembles Whiskered Tern, but the black mark on ear coverts extends to dense black spots on crown. Found in coastal areas, esturaries and feeding inland over paddyfields and flooded areas.