1. Department of Biological Sciences, Box 5640, Northern Arizona University, Flagstaff, Arizona 86011, USA
2. US Department of Agriculture, Animal Plant Health Inspection Service–Wildlife Services, 8836 N. 23rd Ave., Suite 2, Phoenix, Arizona 85021, USA
3. US Department of Agriculture, Animal Plant Health Inspection Services–Wildlife Services, 4101 LaPorte Ave, Fort Collins, Colorado 80521, USA