Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
David S. Lee, North Carolina State Museum of Natural Sciences
P.O. Box 29555, Raleigh, North Carolina 27626, USA
Craig Faanes, U.S. Fish and Wildlife Service
Rm. 400, 4401 n. Fairfax Drive, Arlington, Virginia 22203, USA
Christopher Haney, The Wilderness Society
900 Seventeenth Street, N. W., Washington, DC 20006-2596, USA