1. Ecology, Evolution and Behavior University of Minnesota Saint Paul Minnesota 55108 USA
2. Biology Department Saint Catherine University Saint Paul Minnesota 55105 USA
3. The Field Museum Negaunee Integrative Research Center and Grainger Bioinformatics Center Chicago Illinois 60605 USA
4. Macalester College Saint Paul Minnesota 55105 USA
5. Air Resource Management Program, USDA Forest Service Headquarters Biological and Physical Resources Washington DC 20250 USA