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American Ornithologists' Union / Cooper AMERICAN ORNITHOLOGISTS’ UNION / COOPER ORNITHOLOGICAL SOCIETY 2013 12-17 August 2013 Chicago, Illinois Hosted by: CONTENTS Welcome from John Bates, AOU/COS 2013 Local Committee Chair ............................ 3 Conference Organizers & Committees ....................................................................... 4-5 AOU/COS 2013 General Information ......................................................................... 6-11 Registration & Information ................................................................................ 6-7 Social & Special Events ...................................................................................... 8-9 Field Trips .......................................................................................................... 11 Council & Business Meetings ..................................................................................... 12 Workshops ................................................................................................................ 12 General Schedule ....................................................................................................... 13-14 Abstracts – Online login Information ......................................................................... 14 Presentation Guidelines for Oral & Poster Presentations ........................................... 14-15 Exhibitors ................................................................................................................... 15 Sponsors .................................................................................................................... 16-17 Travel Awardees ........................................................................................................ 18-19 Function Schedule ..................................................................................................... 21-31 Wednesday, 14 August ..................................................................................... 21-23 Thursday, 15 August .......................................................................................... 24-26 Friday, 16 August ............................................................................................... 27-29 Saturday, 17 August .......................................................................................... 30-31 Posters .............................................................................................................. 32-37 Plenary Speakers ....................................................................................................... 38-39 Author Index .............................................................................................................. 40-45 Maps ......................................................................................................................... 47-48 * Cover Page—AOU/COS 2013 logo by Michael Hanson 2 Greetings to all AOU/COS attendees – Welcome to Chicago! On behalf of the local committee, The Field Museum and the local host universities, I am pleased to have you with us at the Palmer House for the 131st meeting of the American Ornithologists’ Union and the 83 rd meeting of the Cooper Ornithological Society. It will be the first time that The Field Museum has hosted C.O.S. and the fourth time for A.O.U. (previously 1922, 1934, 1982). So there is a long his- tory of ties between our institution and the ornithological societies. The 1922 meetings in Chicago were attended by such legends as C. E. Hellmayr, Margaret Nice, Ludlow Griscom, Frank M. Chap- man, Arthur A. Allen, and Arthur C. Bent. These were the first AOU meetings held away from the eastern seaboard or the west coast. What would this group think of the progress that will be presented 91 years later? We have assembled a set of plenary sessions, workshops, and other events that we think will highlight well the theme of the meeting: North American Ornithology: past, present and future. These are heady times for the science of ornithology. Looking to the past, there will be the opportunity to learn about new fossil discoveries from North America that are providing new insight into avian evolution. Looking forward, there will be presentations on the burgeoning field of genomics. Of course, many of the issues being discussed have not changed tremen- dously, concerns about the effects of humans on birds continue, but the tools we have to work with now include satellite imagery and increasingly complex computer modeling to make better ecological and evolutionary assessments of where things may be going. The societies are dealing with the digital age as well. Now is a critical time to discuss and plan for the next 91 years. We hope these meetings will provide ample opportunity for stu- dents and professionals to interact and learn from each other. With an eye on the future, local committee member Nick Block worked with Midwestern ornithological groups to provide schol- arships for a group of high school birders to spend a day at these meetings. Fully half of the meeting’s presenters are students. What will these young scientists be studying about birds in 20 years? We encourage you to take in everything you can at the Palmer House, where all the con- current sessions will all be close together. There will be an Ostrich Run, a Quiz Bowl, a showing of a new documentary on birds and other events. The end of the meeting banquet will be held at The Field Museum where we will first take another group photo of those in attendance so that 91 years from now there will be a visual record of those who have assembled. Following a “Taste of Chicago” themed dinner, people will have the chance to experience some of the best bird exhibits in the world, including the Rice DNA Discovery Center, The Abbott Hall of Conservation, the spectacular Green River bird fossils in Evolving Planet and the most comprehensive display of birds in North America in the newly renovated Ronald and Christina Gidwitz Hall of Birds. Enjoy Chicago, John Bates Local Committee Chairman 3 CONFERENCE ORGANIZERS & COMMITTEES AOU/COS 2013 Local Committee Chairs Volunteers John Bates (Chair) The local committee would like to thank the Mary Hennen (Meeting Manager) numerous volunteers who made the 2013 AOU/COS conference possible. Nick Block (Student Activities) Josh Engel (Field Trips) Sponsorship Committee Peter Lowther (Scientific Programs) John Bates Trevor Price (Ostrich Run) Nick Block Mary Hennen Local Committee Stephanie Ware John Bates Jason Weckstein Barbara Becker Chris Whelan Nick Block Jeffery Brawn Website Norbert Cordeiro John Bates Shane DuBay Nick Block Josh Engel Josh Engel Glenn Gabanski Sharon Grant Tom Gnoske Mary Hennen Joel Greenberg Nick Kalmus Shannon Hackett Peter Lowther Michael Hanson Ben Ludwig Mary Hennen Jessica Sandy Peter Lowther Peggy MacNamara Student Activities & Affairs Committee Ben Marks Stephanie Wright (Co-chair) Aaron Olsen Melanie Colon (Co-chair) Trevor Price Steve Pruett-Jones Julianna Arntzen Sushma Reddy Christopher Calvo Ernesto Ruelas Vivien Chua Aaron Savit Tara Conkling Heather Skeen Kristen Dillon Doug Stotz Ashley Long Bill Strausberger Carl Lundblad Tyana Wachter Nicholas Mason Stephanie Ware David Slager Jason Weckstein Kathryn Smith Chris Whelan Dave Willard Ben Winger . 4 CONFERENCE ORGANIZERS & COMMITTEES Young Professional Award (YPA) Committee Robert Fletcher Victoria Dietz (Chair) Troy Murphy Matt Carling Paul Skrade Walter Wehtje Kerri Vierling Christopher Witt Young Professional Awardees Henry M. Streby Christina Riehl Travel Awards Committee Rebecca Kimball (Co-chair—AOU) Rolf Koford (Co-chair—COS) Daniel Ardia Matthew Carling Zachary Cheviron Courtney Conway 5 AOU/COS 2013 GENERAL INFORMATION Registration/Information Desk Registration packets & t-shirts can be picked up from the Registration Bays on the 4th floor. The Registration desk will be open at the following times: •13:00–21:00 Tuesday, 13 August •07:00–17:00 Wednesday, 14 August •07:00–17:00 Thursday, 15 August •07:00–17:00 Friday, 16 August •07:00–10:30 Saturday, 17 August Your registration fee includes the following: •Free Drink ticket for Opening Reception, Tuesday, 13 August •Coffee Breaks •Attendance to plenary, oral, and poster sessions •Unlimited entry with conference badge to the Field Museum of Natural History •10% discount at Field Museum stores •10% discount at Hotel Restaurants – Lockwood Restaurant, Lockwood Lounge, and Potters. Conference badges may get you 10% discount in neighboring restaurants. Look for a list of establish- ments on the information board at Registration. Meeting Information Updates Updated meeting information will be announced daily at the beginning of each Plenary Session. (Wed- Sat, 08:00, Grand Ballroom 4th floor). To stay up-to-date on the most recent conference announce- ments or changes, please follow us on Twitter @AOU_COS2013 . An Information Board will be located at the Registration Bay. Additionally, we encourage you to follow the conference forum at Ornithology Exchange ( http://ornithologyexchange.org ). Transportation To Airports: Taxis will cost approximately $25 from Midway (12 mi, 30-45 min ride) and $35 from O'Hare (18 mi, 45-60 min ride). Trains are available from each airport. From O'Hare, take the Blue Line (subway to Forest Park) and exit at Monroe. It is a short 2-min walk to the hotel (17 East Monroe Street). From Midway, take the Orange Line (subway to Loop) and exit at Harold Washington Library. From there, it's a 5-min walk to the Palmer House (17 East Monroe). Visit
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