当城市的夜景愈发璀璨,在我们人类享受光明的同时,这些光却可能让鸟类陷入困境。光污染的问题需要引起我们的关注。夜间迁徙的鸟类依靠星光导航,却被城市强光吸引,导致致命碰撞。美国每年近十亿只鸟因撞楼死亡,1937年华盛顿纪念碑曾在90分钟内造成576只鸟丧生。光线更让鸟类生物钟混乱:紫崖燕因灯光提前8天迁徙,帝王蝶甚至被刺激得夜间迁飞,面临“时差”与食物短缺的致命风险。研究显示,光污染使鸟类活动时间平均延长50分钟——相当于每日“无偿加班”。大眼睛、露天居住、长途迁徙的物种尤为脆弱,它们的视网膜敏感度高,更容易被灯光误导。解决之道清晰而直接:只需关掉不必要的灯。芝加哥调暗建筑灯光后,鸟类死亡率下降60%。科学家更开发出迁徙预测系统,可在鸟群过境时精准熄灯。光污染是少数可即时逆转的环境问题。每一次关灯,都是为夜空重新点亮星辰,让候鸟回归自然节律的举手之劳。利用Birdweather网络进行鸟鸣采集晚睡,还得早起?光污染对鸟类的影响受灯光影响的不止是鸟类关于光污染的一些名词与概念参考文献:Light pollution prolongs avian activity | Science 21 Aug 2025 Vol 389, Issue 6762 pp. 818-821 | DOI: 10.1126/science.adv9472The effects of light pollution on migratory animal behavior | PMID: 36610920 DOI: 10.1016/j.tree.2022.12.006
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