Illinois Natural History Survey - December Aerial Waterfowl Inventory Data

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

Upper Mississippi Count - 122,795

Lower Mississippi Count - 230,990

Upper Illinois Count - 94,610

Emiquon Area Count - 25,520 (includes Chautauqua)

Lower Illinois Count - 79,250 (including Emiquon Area)