Illinois Natural History Survey - September Aerial Waterfowl Inventory Data

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

Upper Mississippi Count - 3,125

Lower Mississippi Count - 9,150

Upper Illinois Count - 19,915

Emiquon Area Count - 37,790 (includes Chautauqua)

Lower Illinois Count - 59,315 (including Emiquon Area)