1. Department of Biology University of Oklahoma Norman OK USA
2. Oklahoma Biological Survey University of Oklahoma Norman OK USA
3. Advanced Radar Research Center University of Oklahoma Norman OK USA
4. Cornell Lab of Ornithology Cornell University Ithaca New York USA
5. Edward Grey Institute University of Oxford OxfordOX1 3PS UK
6. College of Information and Computer Sciences University of Massachusetts Amherst MA USA
7. Department of Computer Science Mount Holyoke College South Hadley MA USA
8. Corix Plains Institute University of Oklahoma Norman Oklahoma USA