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 - 22,100

Lower Mississippi Count - 96,240

Upper Illinois Count - 100,790

Emiquon Area Count - 243,980 (includes Chautauqua)

Lower Illinois Count - 296,130 (including Emiquon Area)