1. Department of Statistical Sciences; Duke University; Durham NC 27708 USA
2. Department of Statistics; University of California, Los Angeles; Los Angeles CA 90095 USA
3. Department of Integrative Biology; University of Colorado, Denver; Denver CO 80217 USA
4. Center for Tropical Research Institute of the Environment and Sustainability; University of California, Los Angeles; Los Angeles CA 90095 USA
5. Department of Ecology and Evolutionary Biology; University of California, Los Angeles; Los Angeles CA 90095 USA
6. Department of Ecology and Evolutionary Biology; University of California, Santa Cruz; Santa Cruz CA 95064 USA
7. Cooperative Institute for Research in the Atmosphere (CIRA); Fort Collins CO 80523 USA
8. Oklahoma Biological Survey and Department of Biology; Ecology and Evolutionary Biology Program; University of Oklahoma; Norman OK 73019 USA
9. The Institute for Bird Populations; Point Reyes Station CA 94956 USA
10. Department of Human Genetics; Chicago IL 60637 USA