摘要
文章概述了朱鹮的濒危状况及陕西省洋县1981—1986年的繁殖数量,计6年9窝27幼,已知死亡4只,人工喂养3只。 朱鹮在洋县为留鸟,越冬期间偶尔返回繁殖地,2月中旬后不再离开。有显著的领域性。3月上旬开始营巢,中旬至4月初产卵,多数3枚(1—4枚)。孵卵期30天左右,育雏期约为40天,均由雌雄亲鸟共同承担。6月中下旬全窝育成后一起飞离巢区。
The Crested Ibis is one of the famous eadangered birds in the world. It once distributed in countries, including China, Japan, Russia and Korea in Eastern Asia. But now it only survives in specific area in Yang-county, Shaanxi province China. This paper reported its field breeding information.
The bird is resident in Yang-county. In Febuary it returns the nest area and copulation, nest-building, egg-laying were found from the middle of March to the beginning of April. And there are always 3 eggs in a clutch (1 - 4 eggs). The incubation psriod lasts about one month, and the feeding period is 45-50 days. The female and the male share in the nest building, incubation and feeding nestlings.
Up to now, 3 nests exist in Yang-county and each nest has a pair of adult. They raise young every year.
关键词
朱Xuan
繁殖习性
濒危鸟类
Crested Ibis, endangered species, breeding, Yang-county
