Join a Naturalist in the meadows of Detweiler Park for an afternoon of Monarch Tagging. Learn about Monarch Watch and Project Monarch Health, annual citizen science efforts to help track Monarch Butterfly migrations and population trends. Try your luck with a butterfly net and get a chance to tag a butterfly with a unique round sticker. Program for children or adults. This program is part of the Park Rx series of programs sponsored by Highmark Blue Shield. Pre-registration required.