savedunes.org. Save the Dunes and the Field Museum will sponsor this event featuring a night hike led by Laura Milkert of Field Museum and Erin Crofton of Save the Dunes. There will also be a morning bird hike on May 6. Both hikes are open to those who may not wish to camp. Please bring food and drink. Campsites are limited, so call Eric Neagu at 773-403-5137 or email at This e-mail address is being protected from spambots. You need JavaScript enabled to view it to RSVP.