Programs Home > Programs ANNUAL EVENTS & PROGRAMS Throughout the year, Illinois Audubon Society and Chapters organize events that are fun, educational and open to the public. Field Trips: Discover some great birding spots, improve your birding skills and enjoy the company of other like-minded nature enthusiasts. Field trips are always open to members and non-members. Spring Gathering: An annual celebration of spring migration. Meet or reunite with new members and old friends. Field trips, banquets, fun raffles and great programs are always on the agenda.