1. Center for Avian Population Studies, Cornell Lab of Ornithology, Cornell University, Ithaca, NY 14850
2. Department of Fish, Wildlife, and Conservation Biology, Colorado State University, Fort Collins, CO 80523
3. The Earth Commons Institute, Georgetown University, Washington, DC 20057
4. Department of Biology, Georgetown University, Washington, DC 20057
5. McCourt School of Public Policy, Georgetown University, Washington, DC 20057