Title Ducks kept dying near a Chicago harbor. Wildlife officials suspect botulism. Image Fri, 2026-09-18 21:33 Great Lakes Commission The Illinois Department of Natural Resources confirmed that it had received reports of dead mallard ducks in DuSable Harbor and picked up carcasses Aug. 21 for diagnostic testing. Advocates and […] Great Lakes Commission, Birds, botulism, Chicago, Dead, Department, Illinois, Other, suspect, Wildlife
