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迁徙鸟每年秋季要从繁殖地往南飞到越冬地，在地球上受危险或者灭绝的风险是留鸟的3倍。勺嘴鹬的数量稀少，被称作“鸟类中的大熊猫”，黄胸鵐的数量在十年间下降了95%。建在迁徙道路上的风机，对鸟类造成了灾难性的影响。什么是迁徙鸟？候鸟为什么要迁徙？环境的改变对迁徙鸟造成哪些影响？“格致论道”是中国科学院全力推出、中国科普博览承办的科学讲坛，致力于精英思想的跨界传播。登录官方网站（self.org.cn）、微信公众号“SELFtalks”获取更多信息。
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