1. Genetics Program, Smithsonian Institution, NW, Washington, DC, USA
2. Smithsonian Migratory Bird Center, National Zoological Park, NW, Washington, DC, USA
3. School of Biological Sciences, Washington State University, Pullman, WA, USA
4. Department of Evolution, Ecology and Organismal Biology, The Ohio State University, Aronoff Laboratory, Columbus, OH, USA
5. Environment Canada, Saskatoon, SK, Canada
6. Department of Integrative Biology, University of Guelph, Guelph, ON, Canada