In this Oct. 17, 2007, file photo, Kiger Mustangs from the Kiger Management Area near Diamond in southeast Oregon are shown. Wild horse advocates are challenging U.S. Bureau of Land Management plans to round up the famous Kiger and Riddle Mountain mustang herds in eastern Oregon, arguing that the roundup is designed to breed a master race of wild horses exhibiting old Spanish bloodlines, violating the intent of the law protecting wild horses. (Jamie Francis/The Oregonian via AP, file) MANDATORY CREDIT
Featured Photo Galleries
