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ing and Indexing: Articles appearing in The Condor: Ornithological Applications are abstracted and indexed in the databases listed online at www.AmericanOrnithologyPubs.org. The Condor: Ornithological Applications is published weekly online (ISSN 1938-5129) by the American Ornithological Society, 1400 S Lake Shore Drive, Chicago, IL 60605. Print copies (ISSN 0010-5422) are available from Sheridan Press at http://aos.sheridan.com The Condor: Ornithological Applications, Volume 120, Number 3, August 2018. ©2018 American Ornithological Society. All rights reserved. American Ornithological Society AmericanOrnithology.org THE COUNCIL FOR 2018–2019 OFFICERS AND EDITORS President: Kathy Martin, Department of Forest and Conservation Sciences, University of British Columbia, 2424 Main Mall, Vancouver, BC, V6T 1Z4 Canada, kathy.martin@ubc.ca President-Elect: Thomas W. Sherry, Department of Ecology & Evolutionary Biology, Tulane University, 6055 General Meyer Avenue, New Orleans, LA 70131, tsherry@tulane.edu Secretary: Andrew W. Jones, Department of Ornithology, Cleveland Museum of Natural History, 1 Wade Oval Drive, University Circle, Cleveland, OH 44106, ajones@cmnh.org Treasurer: Rebecca T. Kimball, Department of Biology, University of Florida, 528 Bartram Hall, Gainesville, FL 32611, rkimball@ufl.edu Editor-in-Chief of The Auk: Ornithological Advances: T. Scott Sillett, Migratory Bird Center, Smithsonian Conservation Biology Institute, Smithsonian Institution, P.O. Box 37012, MRC 5503, Washington, D.C. 20013, silletts@si.edu Editor-in-Chief of The Condor: Ornithological Applications: Philip C Stouffer, School of Renewable Natural Resources, Louisiana State University, Baton Rouge, LA 70803, pstouffer@lsu.edu Editor-in-Chief of Studies in Avian Biology: Kathryn P. Huyvaerdt, Warner College of Natural Resources, Colorado State University, 400 University Avenue, Fort Collins, CO 80523, kate.huyvaert@colostate.edu Executive Director: Melinda Pruett-Jones, 1400 S. Lake Shore Drive, Chicago, IL 60605, mpruettjones@ americanornithology.org ELECTIVE COUNCILORS 2019: Melissa S. Bowlin, Renee A. Duckworth, Scott V. Edwards, Nathaniel T. Wheelwright 2020: Anna D. Chalfoun, Abby N. Powell, Andrea K. Townsend, Michael S. Webster 2021: Peter O. Dunn, Sharon A. Gill, Sara R. Morris, Christopher C. Witt MEMBERSHIP Any person interested in avian biology may become a member of the American Ornithological Society. Regular membership costs $90 per year; Early Professional membership is $55; Emeritus/retired and student memberships are $32. Membership is $32 for persons in all countries except the United States, Canada, Israel, Japan, Australia, New Zealand, and the following Western European countries: Iceland, Norway, Sweden, Finland, Denmark, Germany, The Netherlands, Belgium, Luxembourg, France, the United Kingdom, Ireland, Switzerland, Austria, Italy, Spain, and Portugal. All members receive free access to the online version of The Auk: Ornithological Advances and The Condor: Ornithological Applications and Birds of North America Online (www.birdsna.org). A life membership is $2880, paid in one sum or four annual installments of $720. To JOIN, RENEW, or UPDATE your membership, visit the AOS website membership page to link to the membership portal. To report changes of address or to request assistance, contact: osnamembers@gmail.com, (312) 883-4670. SUPPORT THE AOS AOS is grateful to receive contributions of any amount. Donations help support AOS’s programs to advance ornithology as a profession and promote ornithologists at every career stage. Contributions may be sent to: AOS, 1400 S. Lake Shore Drive, Chicago, IL, 60605; or, can be made online through AOS’s website, Americanornithology.org. Gifts to the AOS are tax-deductible to the full extent permitted by law. INSTITUTIONAL SUBSCRIPTIONS Institutional subscriptions are handled by the American Ornithological Society, 1400 South Lake Shore Drive, Chicago, IL 60605, 312-665-7571, 312-883-4114 FAX, cruiz@americanornithology.org. $400 for an annual online subscription to The Condor: Ornithological Applications, $400 for an annual online subscription to The Auk: Ornithological Advances, and $700 for both The Condor: Ornithological Applications and The Auk: Ornithological Advances. PRINT ISSUES To order 2018 print single issues or print annual subscriptions, go to: http://aos.sheridan.com. To order print issues for journals issued prior to 2018, email a request to OSNAmembers@gmail.com, providing the journal name and issue requested.