1. Department of Zoology and Biodiversity Research Centre; University of British Columbia; Vancouver British Columbia Canada
2. National Museum of Natural Sciences; Spanish National Research Council (CSIC); Madrid Spain
3. Cornell Lab of Ornithology & Department of Ecology and Evolutionary Biology; Cornell University; Ithaca New York
4. Department of Evolution, Ecology and Organismal Biology; University of California; Riverside California
5. Department of Biology; Queen's University, Biosciences Complex; Kingston Ontario Canada
6. Department of Evolutionary Biology and Environmental Studies; University of Zürich; Zürich Switzerland
7. Max Planck Institute for Evolutionary Biology; Behavioural Genomics; Plön Germany
8. Department of Molecular Biology and Biochemistry; Simon Fraser University; Burnaby British Columbia Canada