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红脚隼(Falco Vespertinus amurensisRadde)是向海自然保护区常见的猛禽,也是本区的主要食虫鸟之一。红脚隼分布很广。夏季在东北、华北、吉林西部和内蒙东部繁殖,冬季则南迁到华中和福建、广东等地越冬。关于它的繁殖生态的研究,国内尚属鲜见。笔者于1984年4—7月、1986年4—10月及1987年4—10月在向海自然保护区对红脚隼的繁殖生态进行了观察,现将结果报告如下:
Falco Vespertinus amurensisRadde is a common bird of prey to Xianghai Nature Reserve and one of the major birdwatchers in the area. Red-footed Falcon is widely distributed. Summer in Northeast, North China, Jilin and Inner Mongolia in the eastern part of the breeding, the south moved to central China in winter and Fujian, Guangdong and other places wintering. Research on its reproductive ecology is rare in China. The authors observed the breeding ecology of red-footed falcon in Xianghai Nature Reserve from April to July in 1984, from April to October in 1986 and from April to October in 1987. The results are reported as follows: