The Cooperative Units Program of the Biological Resources Division, U.S. Geological Survey has been an integral part of Oklahoma State University since 1948. With direction from our Coordinating Committee, our research has been conducted on a wide variety of fisheries and wildlife topics in cooperation with federal agencies, the University, the Oklahoma Department of Wildlife Conservation, and various private concerns. Most of our research projects are problem-oriented and designed to provide cooperators with useful information on resource issues. The majority of the research through the Oklahoma Cooperative Fish and Wildlife Research Unit is conducted by M.S. and Ph.D. candidates in the Department of Natural Resource...