Ring-necked pheasants aren't native to Illinois or even the United States, but these birds have been common since the 1800s after being introduced as a game bird.
South Dakota presents bright spots for future of pheasants and more
Idaho Pheasant Hunting Forecast 2019
Forest Preserve District of Will County
The National Wild Pheasant Conservation Plan, Second Addition – Implications for Illinois
Ring-necked pheasant Ohio Department of Natural Resources
Rustic Elegance
Hunting the pheasant America's most popular upland bird
The ring-necked pheasant - DesertUSA
Game Birds — Texas Parks & Wildlife Department
The Ring-necked Pheasant: South Dakota's Beloved State Bird – Nature Blog Network
Mosby: Pheasants have not thrived in Arkansas
Welcome invader – Craig Medred
Habitat management allows diverse species to thrive