bioRxiv preprint doi: https://doi.org/10.1101/589044; this version posted November 9, 2019. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC 4.0 International license. Speciation and gene flow across an elevational gradient in New Guinea kingfishers RUNNING HEAD: SPECIATION IN NEW GUINEA KINGFISHERS Ethan Linck1;∗, Benjamin G. Freeman2, and John P. Dumbacher,3 1 Department of Biology & Burke Museum of Natural History & Culture, University of Washington, Seattle, 98195, USA 2 Beaty Biodiversity Research Centre, University of British Columbia, Vancouver, V6T 1Z4, CA 3 Ornithology & Mammalogy, California Academy of Sciences, San Francisco, 94118, USA *Corresponding Author:
[email protected] AUTHOR CONTRIBUTIONS: All authors designed the study, collected data, and drafted the manuscript. E.B.L. analyzed data and produced figures. DATA AVAILABILITY: All code used in this study can be found at https://github.com/elinck/syma_speciation/. Processed data are available from Dryad [doi: pending], and sequence data are available from the NCBI SRA [accession: pending]. ACKNOWLEDGMENTS: We thank generations of New Guinean land owners and field assistants without whose help this paper would have been impossible to write. For tissue loans, we thank L. Josef at ANWC, K. Zykowski at YPM, R. Moyle and M. Robbins at KUMNH, P. Sweet at AMNH, and R. Prys-Jones at NHMUK-Tring. For help arranging fieldwork, we thank A. Mack, G. Kapui, J. Robbins, N. Gowep, B. Beehler, L. Dabek, N.