David W Stephens

David W. Stephens is professor of ecology, evolution, and behavior at the University of Minnesota and coauthor, with J. R. Krebs, of "Foraging Theory." Joel S. Brown is professor of biology at the University of Illinois at Chicago and author, with T. L. Vincent, of "Evolutionary Game Theory, Natural Selection, and Darwinian Dynamics. "Ronald C. Ydenberg is professor in the behavioral ecology research group and director of the Centre for Wildlife Ecology at Simon Fraser University.