IOS is a not-for-profit organization incorporated in the State of Illinois.
IOS 2014 Spring Birding Weekend
April 18, 19, 20, 2014
Effingham / East-central Illinois
Join us for a fun-filled weekend of birding around the crossroads of Illinois, at the junction of southern and central Illinois, at a time when we can experience the tail end of the early bird migration and the beginning of the influx of neotropical migrants. Click here for details...
Arrivals and Influxes - Your Daily Illinois Migration Report
Bookmark the site and check back every morning for the latest.
|•||To promote scientific research and education in order to improve knowledge and awareness of birds in Illinois|
|•||To publish a journal of Illinois bird life, Meadowlark, A Journal of Illinois Birds|
|•||To keep a permanent historical record of Illinois bird life|
|•||To maintain an up-to-date state checklist of Illinois birds|
|•||To support the well-being of birds and birding in Illinois|
|•||To encourage others to become interested in birds and birding in Illinois|