Chicago skyline poses a risk during birds fall migration chicagotribune.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from chicagotribune.com Daily Mail and Mail on Sunday newspapers.
Bird migration is on the rise, and so are window collisions. As temperatures slowly drop in Chicago, 300 million to 400 million birds are crossing the continent heading south to their nesting grounds for the winter, according to Annette Prince, director and president of Chicago Bird Collision Monitors, a nonprofit dedicated to the respite and protection of migratory birds through daily rescue .