Where to see a Gadwall in Illinois
The Gadwall is regularly recorded in the counties of 64 Illinois state parks (eBird historical checklists). The strongest bets:
- Pyramid State Park
- Sam Parr State Park
- Fort Massac State Park
- Walnut Point State Park
- Fort Defiance State Park
- Horseshoe Lake State Park
- Morrison-Rockwood State Park
- Prophetstown State Recreation Area
- Illinois Beach State Park
- Chain O' Lakes State Park
- Volo Bog State Natural Area
- Kankakee River State Park
- Channahon State Park
- William W. Powers State Recreation Area
- Spring Lake State Park
- Fort Creve Coeur State Park
- Moraine Hills State Park
- James "Pate" Philip State Park
- Sand Ridge State Forest
- Moraine View State Park
- Rock Cut State Park
- Mississippi Palisades State Park
- Goose Lake Prairie State Natural Area
- Silver Springs State Park
- Siloam Springs State Park