1 United States Department of Agriculture, National Wildlife Research Center, Animal and Plant Health Inspection Service, Wildlife Services, 4101 Laporte Avenue, Fort Collins, CO 80521, USA kim.m.pepin@aphis.usda.gov.
2 United States Department of Agriculture, National Wildlife Research Center, Animal and Plant Health Inspection Service, Wildlife Services, 4101 Laporte Avenue, Fort Collins, CO 80521, USA.