By Christine R. Maher, Ph.D., Professor of Biology, University of Southern Maine Britney Evangelista, B.S. Department of Biology, University of Southern Maine Anne Lichtenwalner, DVM, Ph.D., University of Maine Cooperative Extension Carly Sponarski, Ph.D., Assistant Professor of Human Dimensions of Wildlife and Fisheries Conservation, University of Maine For information about UMaine Extension programs and resources,