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Illinois IBA Contact

Stephanie Beilke

Illinois IBAs by Type

IBA Priority Number Acres
Global 16 147,232
State 74 738,132
Total 90 885,364

Initiated in the fall of 2000, the Important Bird Areas Program in Illinois currently has 91 recognized IBAs. These sites are located in all regions of the state and represent various types of ownership and habitat. Breeding birds at IBAs include Henslow's Sparrows, Greater Prairie-chickens and Blue-winged Warblers in prairies and shrublands, Red-headed Woodpeckers in savannas, and Worm-eating Warblers in our southern woodlands. Hundreds of thousand of ducks use the Illinois and Mississippi River stopover sites. Numerous national wildlife refuges, national forests, state natural areas, state wildlife management areas, state parks, county forest preserves, Nature Conservancy and other non-profit preserves as well as important private lands are part of the program. Illinois, the Prairie State, has lost over 99% of its original prairie and 90% of its original wetland acreage. These and other habitat losses have lead to sharp declines in many bird populations. Of the eleven fastest declining grassland and shrubland birds in the nation, seven spend either their winter or summer months in Illinois. Illinois' IBAs focus attention on the most important sites for breeding birds of conservation concern, and on places where shorebirds, raptors, waterfowl and wading birds congregate. Active partnerships are currently engaged in conservation activities, monitoring, and outreach efforts at many IBAs throughout the state. Thorn Creek Audubon partnered with the Cook County Forest Preserves to restore 375 acres for Bobolinks, Grasshopper Sparrows and other bird species at Bartel Grassland. The newly formed Swainson's Hawk Project organized a monitoring effort to locate the breeding territories of our important remnant population. The Wetlands Initiative's Hennepin and Hopper Lakes IBA recognition ceremony celebrated the conversion of 1,000 acres of unproductive Illinois River farmland back to thriving wetland and grassland habitat. The Illinois Audubon Society provided acquisition funds and education efforts at the state's prairie chicken sanctuaries. Partnering organizations have utilized the IBA program as a tool to advance bird conservation efforts across the state.

Site Name Statussort ascending Priority Counties IBA Criteria
Siloam Springs Area Identified State Adams, Brown D1
Spring Creek Valley Forest Preserve Identified State Cook
Port Louisa NWR - Mercer County (Milan Bottoms, Bogus Island) Identified State Mercer
Carlyle Lake Complex Identified State Bond, Clinton, Fayette D4vii
Des Plaines State Conservation Area Identified State Will D1
LaSalle Lake Identified State La Salle D4ii
Rend Lake Identified State Franklin, Jefferson D4ii
Clear Lake Identified State Mason D4ii
Alorton Thicket Identified State St. Clair D1, D4iii
Carpenter Park Nature Preserve Identified State Sangamon D4vii
Elsen's Hill / West DuPage Woods Forest Preserve Identified State Du Page D4vii
Beall Woods State Park Identified State Wabash D4vii
Illinois Beach State Park Identified State Lake D3, D4vi
Nachusa Grasslands Identified State Lee
American Golden-Plover Stopover-Arcola Identified State Coles, Douglas
American Golden-Plover Stopover-Dalton City Identified State Macon, Shelby
American Golden-Plover Stopover-Newman Identified State Douglas, Edgar
Kennekuk County Park Identified State Vermilion
Sand Ridge State Forest Identified State Mason
Granite City - Wilson Park Identified State Madison

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