Where to see a Gadwall in Ohio
The Gadwall is regularly recorded in the counties of 82 Ohio state parks (eBird historical checklists). The strongest bets:
- Maumee Bay State Park
- Kelleys Island State Park
- Deer Creek State Park
- A. W. Marion State Park
- Findley State Park
- Black River State Reservation
- French Creek State Reservation
- Headlands Beach State Park
- Harrison State Park
- Chaplin State Forest
- Little Miami State Park
- Portage Lakes State Park
- Crane Creek State Park
- East Harbor State Park
- Catawba Island State Park
- Middle Bass Island State Park
- Grand Lake St. Marys State Park
- Sycamore State Park
- Oak Point State Park
- Harbor Point State Park
- Quail Hollow State Park
- North Bass Island State Park
- South Bass Island State Park
- Cleveland Lakefront State Park
- Wolf Run State Park