1. Nemours Wildlife Foundation, 161 Nemours Plantation Drive, Yemassee, SC 29945 and James C. Kennedy Waterfowl and Wetlands Conservation Center Clemson University , P.O. Box 596 Georgetown SC 29442 USA
2. James C. Kennedy Waterfowl and Wetlands Conservation Center Clemson University P.O. Box 596 Georgetown SC 29442 USA
3. Nemours Wildlife Foundation 161 Nemours Plantation Drive Yemassee SC 29945 USA
4. School of Mathematical and Statistical Sciences Clemson University Clemson SC 29631 USA
5. Department of Forestry and Environmental Conservation Clemson University Clemson SC 29631 USA