Bright Lights Kill Millions of Birds In Big Cities

It’s spring and time for annual bird migrations, but for the more than 70 percent of U.S. birds, which are migratory, it is increasingly dangerous. A new study published last week in Frontiers in Ecology and the Environment is shedding “light” on the problem that light pollution poses for the vast majority of U.S. migratory birds because they travel at night when they are much more likely to crash into buildings, according to the Cornell Lab of Ornithology, which led the study. 

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