1. Caesar Kleberg Wildlife Research Institute, Texas A&M University–Kingsville, 700 University Boulevard, MSC 218, Kingsville, Texas 78363, USA
2. Rolling Plains Quail Research Foundation, PO Box 220, Roby, Texas 79543, USA
3. Department of Biology, University of North Dakota Grand Forks, PO Box 9019, Grand Forks, North Dakota 58202, USA