针尾沙锥(Gallinago stenura)俗称麦鸡,在西藏北部、黄河上游及黑龙江流域繁殖,冬季留居广东、福建和台湾等省.在迁往繁殖地途中,常于抚州地区临川市一带停留.笔者于19961997年对针尾沙锥迁徙中的生态习性进行了观察.
周亚平, 包水明
doaj
以色列讨论了一个自然保护和防止飞机事故的独特的计划,这是由空军、大学和民间团体一起参加的。中东的上空虽然是硝烟弥漫,军事纷争的舞台,而这一带却又是最主要的鸟类迁徙的路线,每年有40万只鹤和一百多万只猛禽类于春秋二季在以色列的上空南北向的迁飞。此外,还有各种鸟从欧洲或亚洲和非洲之间往返通过。为什么这里成为大型迁徒鸟路线的集中地呢?那是因为这一带有丘陵和山谷,受到太阳热的强烈照射而产生上升气流,大型鸟可利用上升气流不搧动其翼,仅象滑翔机那样进行长距离移动,这是大型鸟类迁徙时节约能量的通常飞翔方法 ...
钱伟娟
doaj
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