We thank A. Baker, B. Brokaw, M. Cadman, S. Cameron, P. Cavanagh, J. Cordes, W. DeRagon, S. Dinsmore, W. Golder, C. Griffin, L. Hinds, C. Jager, B. Lauro, D. Leary, P. Leary, J. Lortie, M. Luthman, M. Lyons, L. MacIvor, T. Magarian, S. Melvin, M. McCaustland, B. Nikula, K. Oosterbeek, J. Perkins, B. Prescott, M. Rikard, C. Risley, A. Rivers, G. Rosenberg, J. Russell, C. Sasser, K. Sayles, M. Sayre, M. Schickel, P. Stevens, P. Trull, and C. Vaughn for assistance. Funding was provided by the; U.S. Fish and Wildlife Service, National Park Service, National Fish and Wildlife Foundation, U.S. Geological Survey, North Carolina Wildlife Resources Commission, George and Mary Josephine Hammand Foundation, and the Jacob and Terese Hershey Foundation. The Appearance section was reviewed and edited by Peter Pyle. The Systematics section was reviewed and edited by Michael Patten.