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 - 32,440

Lower Mississippi Count - 69,060

Upper Illinois Count - 89,945

Emiquon Area Count - 155,115 (includes Chautauqua)

Lower Illinois Count - 220,685 (including Emiquon Area)