1. Department of Biological and Health Sciences, Texas A&M University-Kingsville , Kingsville, TX 78363 , USA
2. Department of Natural Resources Management, Texas Tech University , Lubbock, TX 79409 , USA
3. Department of Rangeland and Wildlife Sciences, Caesar Kleberg Wildlife Research Institute, Texas A&M University-Kingsville , Kingsville, TX 78363 , USA
4. Department of Physics and Geosciences, Texas A&M University-Kingsville , Kingsville, TX 78363 , USA
5. Forest Health Protection, USDA Forest Service , Lufkin, TX 75901 , USA