中型涉禽
体长 39~58 cm
淡黄色 /yellow
灰色 /grey
暗绿色 /greenish-grey
目 │ 鸻形目CHARADRIIFORMES 科 │ 水雉科Jacanidae
野外识别 │ 夏羽头、颏、喉和前颈白色,后颈金黄色。背、腹棕褐色且具光泽,下体棕褐色。翅白色,尾羽黑色,特长且下弯。冬羽头顶和后颈黑褐色,具白色眉纹,颈侧具黄色纵带,具粗黑褐色过眼纹且与胸带相连。下体余部白色,尾短。脚趾特别长。
居留及分布 │ 分布于中国南方、南亚次大陆及亚洲东南部等热带及亚热带地区的开放性湿地中,主要分布在淡水湖沼。在南岭是夏候鸟,大顶山和龙潭角有记录。
生境及习性 │ 栖息于富有挺水植物和漂浮植物的淡水湖泊、池塘和沼泽地带。性活泼,善在莲叶、芡实叶等大型浮草上行走,单独或小群活动,冬季有时集大群。以昆虫、软体动物、甲壳类等小型无脊椎动物和水生植物为食。繁殖期 4—9 月。一雌多雄制,在大型浮草上营巢。窝卵数 4 枚,卵为梨形、绿褐色或橄榄褐色等。
Field identification │ A slender waterbird with elongated toes and claws. Summer-plumaged adults are very distinctive, with a very long drooping blackish tail, white head and neck, golden-yellow nape bordered by a black line, glossy blackish-brown upperparts, white wings with black wingtips, and black underparts. Females are larger than males. Non-breeding adults lack the long tail and have the upperparts mainly brown and the underparts white, marked by a dark line that runs from behind the eye, down the side of the neck and onto the breast sides.
Distribution & status │ Distributed from S Asia and Indochina east to China and the Philippines.In China, it is a summer visitor to southern and eastern provinces. In Nanling, it is a rare passage migrant, recorded at Dadingshan and Longtanjiao.
Habitat & habits │ Pheasant-tailed Jacanas occur on passage in a variety of aquatic habitats,where they feed on insects and invertebrates. They breed in Guangdong on ponds with floating vegetation, especially the Prickly Water Lily ( Euryale ferox ).
信天羽/摄