| Bald Eagles in the Wetlands of Western Illinois: Elementary school project. |
| Bird Checklists: Checklists for the state and 9 refuges in Illinois. |
| Birding Breaks: Illinois Grassland Species and Research: Virtual tour in search of grassland species; tag along with researchers as they investigate breeding success. |
| Birding Fest of Southernmost Illinois: Annual event held in late April-early May at the Cache River State Natural Area. |
| Birding in Illinois: Bird checklist, maps, rare bird alerts, information about tours and guides, and links to birdwatching sites in Illinois. |
| Carlyle Lake Bird Report: Photos, bird checklist, site guide, and recent sightings. |
| Chicago Area Birds and Wildlife: Searchable database of photos of local birds and wildlife, plus a birding forum. |
| Chicago Ornithological Society: Meetings and programs, field trips, educational activities, and IBET (Illinois Birders Exchanging Thoughts) e-mail group. |
| DuPage Birding Club: Meetings, field trips, hotline, count results, and county bird checklist. |
| Evanston North Shore Bird Club: Located in north suburban Chicago. Field trips, meetings, and photos. |
| Hyde Park Chicago Birding: Brief description of some good spots to try on the south side of Chicago. |
| Illinois and Chicago Net-Birding: Urs Geiser's comprehensive birding site, with checklists, rare bird alerts, and resources. |
| Illinois Birds: Species list, distribution map and detailed information on a large number of bird species found in Illinois. |
| Illinois Ornithological Society: Information on field trips for birders, bird alerts, and the Illinois Ornithological Records Committee. |
| Illinois Raptor Center: Rehabilitation center near Decatur. |
| Lake Renwick Heron Rookery Nature Preserve: One of the largest protected heron nesting sites in our state. Plainfield, IL |
| Ravensday Nature Ezine: Chicago and Illinois birding articles. |
| Speaking of Birds: Jim Frazier's site with articles, resources, images, and speeches on birds and birding. |
| The Birds of Fermilab: Pages containing the results of current survey of the birdlife found on the site of the Fermi National Accelerator Laboratory Chicago, Illinois. |
| The Gadwall Birding Page: Chicago area birding guide, photographs, and trip reports. |
Classical
