R. Terry Chesser,^1,2,* Morton L. Isler,² Andrés M. Cuervo,^3,4 C. Daniel Cadena,⁵ Spencer C. Galen,^2,6,** Laura M. Bergner,^6,*** Robert C. Fleischer,⁶ Gustavo A. Bravo,⁷ Daniel F. Lane,⁴ Peter A. Hosner<sup>2,8,9,****

1</sup>U.S. Geological Survey, Patuxent Wildlife Research Center, Laurel, Maryland, USA
²Division of Birds, Department of Vertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, D.C., USA
³Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá, Colombia
⁴Museum of Natural Science, Louisiana State University, Baton Rouge, Louisiana, USA
⁵Laboratorio de Biología Evolutiva de Vertebrados, Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá, Colombia
⁶Center for Conservation Genomics, Smithsonian Conservation Biology Institute, National Zoological Park, Washington, D.C., USA
⁷Department of Organismic and Evolutionary Biology and Museum of Comparative Zoology, Harvard University, Cambridge, Massachusetts, USA
⁸University of Kansas Biodiversity Institute, Lawrence, Kansas, USA
⁹Department of Biology, University of Florida, Gainesville, Florida, USA

^*Corresponding author: tchesser@usgs.gov, chessert@si.edu
^** Present address: Department of Ornithology, Academy of Natural Sciences of Drexel University, Philadelphia, Pennsylvania, USA
^*** Present address: Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Glasgow, UK
^**** Present address: Natural History Museum of Denmark and Center for Macroecology, Evolution, and Climate, GLOBE Institute, University of Copenhagen, Copenhagen, Denmark