Where to see a Gadwall in Colorado
The Gadwall is regularly recorded in the counties of 52 Colorado state parks (eBird historical checklists). The strongest bets:
- Barr Lake State Park
- Roxborough State Park
- Castlewood Canyon State Park
- Eldorado Canyon State Park
- Cheyenne Mountain State Park
- Chatfield State Park
- State Forest State Park
- Steamboat Lake State Park
- Lory State Park
- Jackson Lake State Park
- John Martin Reservoir State Park
- Lake Pueblo State Park
- Lathrop State Park
- Trinidad Lake State Park
- Mancos State Park
- Paonia State Park
- Boyd Lake State Park
- Colorado State Forest
- Pearl Lake State Park
- Stagecoach State Park
- Yampa River State Park
- Cherry Creek State Park
- Fishers Peak State Park
- Highline Lake State Park
- Vega State Park