Illinois Natural History Survey - October Aerial Waterfowl Inventory Data

Click here to go directly to the INHS Aerial Inventory Database for more detailed information.

Upper Mississippi Count - 4,040

Lower Mississippi Count - 8,930

Upper Illinois Count - 36,930

Emiquon Area Count - 70,890 (includes Chautauqua)

Lower Illinois Count - 87,210 (including Emiquon Area)