Marines and civilian employees from Marine Corps Air Station Yuma recently took part in a joint effort with several other state and federal agencies to capture, vaccinate and relocate Sonoran pronghorns to historic ranges in southwest Arizona, including one area which has not seen a wild population of the native species in over 100 years.
Read more @ Marines help release endangered Pronghorn into Ariz. wild - U.S. - Stripes
An interesting tidbit – although they are the fastest land animals in North America, Prong Horns can't leap fences or even railroad ties. This seriously reduces where they can roam and graze.