According to new research published by Cornell Lab of Ornithology scientists, the most dangerous cities for migratory birds in both spring and fall are Chicago, Houston, and Dallas.
Due to a combination of light pollution and geography, Chicago, Houston, and Dallas are the most dangerous cities for migratory birds in both spring and fall. Other metro areas like Los Angeles, St. Louis, Minneapolis, Kansas City, New York, Atlanta, and San Antonio are dangerous in Spring. In fall, the most dangerous cities are Atlanta, New York, St. Louis, Minneapolis, Kansas City, Washington, D.C., and Philadelphia.