1. Center for Energy, Environment, and Sustainability, Wake Forest University, Winston-Salem, North Carolina, U.S.A.
2. Friends of the Environment, Marsh Harbour, Abaco, The Bahamas
3. Department of Biology, The Pennsylvania State University, University Park, Pennsylvania, U.S.A.
4. Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, Michigan, U.S.A.
5. Department of Wildlife, Fish & Conservation Biology, and Center for Watershed Sciences, University of California, Davis, Davis, California, U.S.A.