Birds can be confused by bright lights and skyglow as they migrate. “Light pollution poses a challenge for the many birds that migrate at night. Why is light pollution so dangerous for birds? Most dangerous cities for migrating birds in the spring: Louis Audubon Society reports that the region is along a major migration path that which 60% of North American songbirds and 40% of North American waterfowl use to travel north or south. Louis is the 5th most dangerous for birds during migration. Louis County town tows cars from driveways with expired tagsĪ recent study from Cornell Lab says that St. Colorado State University and the Cornell Lab of Ornithology currently produce these forecasts You can also sign up for local alerts here. The maps show the predicted path of nocturnal migration three hours after sunset. A service called “BirdCast” shows you where the flocks are heading each night. You can see which nights are the best to turn off the lights by tracking the birds. For instance, the lights illuminating the Gateway Arch typically go dark in May and September for the annual bird migrations. Those nights are when large migrations are coming through the area. The Illinois Department of Natural Resources is among the organizations asking people to turn off their lights on certain nights. Geese, warblers, sparrows, and many more birds migrate at night. City lights have a big impact on if the birds will survive their epic journey. Many of the birds will make their way through the Midwest near the Mississippi River at night. – A massive bird migration is about to make the annual trip north through the United States.
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