1. Department of Applied Ecology; North Carolina State University; Raleigh NC USA
2. Department of Physics and Astronomy; University of North Carolina; Chapel Hill NC USA
3. Department of Biology; Mary Baldwin College; Staunton VA USA
4. Keck Center for Behavioral Biology; North Carolina State University; Raleigh NC USA
5. Center for Macroecology, Evolution and Climate; Natural History Museum of Denmark; University of Copenhagen; Copenhagen Denmark