Stock photography, photos: Tiger Swallowtail Butterfly Stock photos of Tiger Swallowtail Butterfly finds nourishment where the gulls have been on a Lake Michigan beach at Point Beach State Forest, Wisconsin Photograph: © Jerome Wilson Click for a larger image and more information Keywords associated with this stock photo: butterfly, Tiger Swallowtail, Pterourus glaucus, sandy, beach, winged, insect, yellow, black, feeding