(Waupun) The Waupun Marsh Haven Nature Center is inviting residents to come out to the 7th Annual Purple Martin Festival. The event will highlight the seasonal bird’s activities. Attendees can walk the numerous trails through woods, prairies, and wetland habitats. There will be martin-housing vendors, a live camera-show, a silent auction, and weather permitting, a close up view of adult martins via their nests. Also, food and beverages will be served. The Purple Martin Festival will take place on June 30 at W10145 State Road 49 in Waupun with activities beginning at 10am. For more information on the festival is available at www.wisconsinpurplemartins.org.