D.N.R. Asks Public to Help Count Chimney Swifts before Southern Migration

D.N.R. Asks Public to Help Count Chimney Swifts before Southern Migration WIS. DEPT. OF NATURAL RESOURCES The Wisconsin Department of Natural Resources (DNR) asks the public to report chimney swift sightings to help monitor populations and locate important roost sites before they begin their migration south. The call to count is part of Swift Night Out, a continent-wide effort held to raise