Eli S. Bridge,^* Kasper Thorup,^** Melissa S. Bowlin,^*** Phillip B. Chilson,^**** Robert H. Diehl,^***** René W. Fléron,^****** Phillip Hartl,^******* Kays Roland,^******** Jeffrey F. Kelly,^********* W. Douglas Robinson,^********** Martin Wikelski<sup>***********


*</sup>Eli S. Bridge (ebridge@ou.edu) is affiliated with the Center for Spatial Analysis at the University of Oklahoma, in Norman.
^**Kasper Thorup is affiliated with the Center for Macro ecology, Evolution, and Climate and the Natural History Museum of Denmark at the University of Copenhagen.
^***Melissa S. Bowlin is affiliated with the Department of Natural Sciences at the University of Michigan—Dearborn.
^****Phillip B. Chilson is affiliated with the Atmospheric Radar Research Center of the School of Meteorology at the University of Oklahoma, in Norman.
^*****Robert H. Diehl is affiliated with the Department of Biological Sciences at the University of Southern Mississippi, in Hattiesburg.
^******René W. Fléron is affiliated with the DTU Satellite Project at the National Space Institute of Denmark, a part of the Technical University of Denmark, in Lyngby.
^*******Phillip Hartl is an engineer from Munich, Germany who works with the Max Planck Institute.
^********Roland Kays is affiliated with the New York State Museum, in Albany.
^*********Jeffrey F. Kelly is affiliated with the Oklahoma Biological Survey, and the Department of Zoology, at the University of Oklahoma, in Norman.
^**********W. Douglas Robinson is affiliated with the Oak Creek Lab of Biology, in the Department of Fisheries and Wildlife at Oregon State University, in Corvallis.
^***********Martin Wikelski is affiliated with the Department for Migration and Immuno-ecology at the Max Planck Institute for Ornithology, in Radolfzell, Germany.