In this image provided by the Chicago Field Museum, workers at the Chicago Field Museum inspect the bodies of migrating birds, Thursday, Oct. 5, 2023, in Chicago, that were killed when they flew into the windows of the McCormick Place Lakeside Center, a Chicago exhibition hall, the night of Oct. 4-5, 2023. According to the Chicago Audubon Society, nearly 1,000 birds migrating south during the night grew confused by the exhibition center's lights and collided with the building. (Lauren Nassef/Chicago Field Museum via AP)