Many birds migrate at night, taking advantage of less turbulent conditions and cooler temperatures. But that also means that migrating birds  can get disoriented by bright lights and collide with a building. Julia Wang is the project leader for BirdCast, which provides forecasts for bird migration so that people know when they should keep their lights off. Turning off the lights during peak migration times can save birds and save energy at the same time.

More info and transcript at BirdNote.org. 

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