1. University of Pittsburgh 1 Department of Biological Sciences , , Pittsburgh, PA 15260 , USA
2. University of Mississippi 2 Department of Biology , , University, MS 38677 , USA
3. School of Biology and Ecology, University of Maine 3 , Orono, ME 04469 , USA
4. University of Mississippi 4 Department of Psychology , , University, MS 38677 , USA
5. School of Plant and Environmental Sciences, Virginia Tech 5 , Blacksburg, VA 24061 , USA
6. Virginia Working Landscapes, Smithsonian Conservation Biology Institute, 6 Front Royal, VA 22630 , USA