Two bighorn sheep (Ovis canadensis) rams head butting, Clear Creek County, Colorado, United States of America, North America

Two bighorn sheep (Ovis canadensis) rams head butting, Clear Creek County, Colorado, United States of America, North America

Rocky Mountain Bighorn Sheep Rams (Ovis canadensis) head-butting, Jasper National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America

Two male impala (Aepyceros melampus) sparring, Kruger National Park, South Africa, Africa

Big Horn Rams butting heads in the rut, Ovis canadensis; Big Horn Sheep; Big Horn Rams Butting Heads; Big Horn Rams in the rut