CHICAGO — Migratory bird movement is in full swing, and experts are urging Chicagoans to turn off their lights at night to help protect the birds over the next few days from fatal window collisions. Thousands of birds carpeted the sky last night, 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 efforts, when on Thursday Chicago experienced a drastic shift in wind patterns moving up from the south, prompting waves of birds to pass through downtown looking for green ...