I'm sorry, no disrespect to you but I'm not going with your alarmist oil energy propaganda. I know more than a few birding organizations in the mid-west and their studies do not support the 'turbine killing fields'
Non big energy studies have reported the turbines themselves spin far too slowly to injure birds, any birds. The incidence of bird collisions with towers or blades isn't any higher than cities and building windows.
Have tall structures impacted migration routes or passages of birds? Not in any appreciable number than comparable telephone or power systems have.