河北南大港黑翅长脚鹬繁殖习性观察

2001年3～10月，在河北省南大港湿地和鸟类自然保护区对黑翅长脚鹬(Himantopus himantopus)的繁殖习性做了研究。该鸟在本地区为夏候鸟，3月下旬迁来，9月中旬迁离，居留期约180d。栖息生境主要在盐场，平均种群遇见率为40．8只／km.平均窝卵数4．1枚，孵化期为20-21d，孵化率为89．7％，年繁殖力为1．86，孵化期卵平均失重率为16．0％，幼鸟为早成鸟。

Observation on Breeding Habits of Himantopus himantopus in Nandagang of Hebei Province

From March to October, 2001, the breeding habit of Himantopus himantopus was studied in Nandagang Wetland and Birds Nature Reserve of Hebei Province, China. The bird is a summer migrant of that area, arriving in the late March and leaving in the mid September. They stayed about 180 days and often inhabited in the salterns. The average encountering rate was 40 8 birds per km. The average clutch size was 4 1 eggs(n7). The incubation period covered 20-21 days and the hatching success was 89 7%. The annual reproduction rate was 1 86. And the incubation weight loss of the eggs was 16 0% in average.