R. Terry Chesser,¹ Richard C. Banks,¹ F. Keith Barker,² Carla Cicero,³ Jon L. Dunn,⁴ Andrew W. Kratter,⁵ Irby J. Lovette,⁶ Pamela C. Rasmussen,⁷ J. V. Remsen Jr.,⁸ James D. Rising,⁹ Douglas F. Stotz,¹⁰ Kevin Winker<sup>11

1</sup>U.S. Geological Survey, Patuxent Wildlife Research Center, National Museum of Natural History, MRC-111, P.O. Box 37012, Washington, D.C. 20013, USA
²Bell Museum of Natural History, 10 Church Street, University of Minnesota, Minneapolis, Minnesota 55455, USA
³Museum of Vertebrate Zoology, 3101 Valley Life Sciences Building, University of California, Berkeley, California 94720, USA
⁴52 Nevada Street, Bishop, California 93514, USA
⁵Florida Museum of Natural History, P.O. Box 117800, University of Florida, Gainesville, Florida 32611, USA
⁶Cornell Laboratory of Ornithology, 159 Sapsucker Woods Road, Ithaca, New York 14850, USA
⁷Michigan State University Museum and Department of Zoology, West Circle Drive, East Lansing, Michigan 48824, USA
⁸Museum of Natural Science, Louisiana State University, Foster Hall 119, Baton Rouge, Louisiana 70803, USA
⁹Department of Ecology and Evolutionary Biology, Ramsay Wright Zoological Labs, University of Toronto, Toronto, Ontario M5S 3G5, Canada
¹⁰Environment, Culture and Conservation, Field Museum of Natural History, 1400 S. Lake Shore Drive, Chicago, Illinois 60605, USA
¹¹University of Alaska Museum, 907 Yukon Drive, Fairbanks, Alaska 99775, USA