Black vultures perch on rocks in Martinsburg, W. Va., after being fitted with red tags at Argos Cement Plant, May 23, 2019. The 167th Airlift Wing, Argos, United States Department of Agriculture and Conservation Science Global, have partnered to study black vultures that have seemingly taken residence on Argos’ property and pose potential dangers to local air traffic. (U.S. Air National Guard photo by Senior Master Sgt. Emily Beightol-Deyerle)