Come and experience hands-on activities, bird walks, speakers, live birds, nature crafts, falconry demo, food trucks, raffle and more! Bloomington Birdfest is an interactive educational celebration of bird biology, ecology, and conservation! Switchyard Park, 1601 S Rogers St, Bloomington, IN 47403, September 18, 11 am to 3 pm. Free with activities for the whole family. The event is co-hosted by Sassafras Audubon Society and City of Bloomington Parks and Recreation, with many local conservation organizations and agencies represented.