REVIEW PAPER Marcus E. Blum1, Jesse Blum2, and Vernon C. Bleich3* 1 Texas A&M University, Natural Resources Institute, 1001 Holleman Drive East, College Station, TX 77840, USA   https://orcid.org/0000-0002-4817-55852 Raven Environmental Services, Inc., 6 Oak Bend Drive, Huntsville, TX 77320, USA3 University of Nevada, Reno, Department of Natural Resources and Environmental Sciences, 1664 North Virginia … Continue reading Drones, sensors, and their potential utility for mountain sheep surveys