Nick Garbutt / American pronghorn (Antilocapra americana) grazing near Gardiner, Yellowstone National Park, Wyoming/ Montana, USA. January

Nick Garbutt / American pronghorn (Antilocapra americana) near Gardiner, Yellowstone National Park, Wyoming/ Montana, USA. January

Juergen Freund / Massive Boulder coral (Gardineroseris planulata). Buyat Bay, North Sulawesi, Indonesia.

Floris van Breugel / A Pronghorn (Antilocapra americana) in heavy snowfall, Yellowstone National Park, Gardiner, Montana, USA. December.

Solvin Zankl / Gardiner's coral (Gardineroseris planulata) and Toadstool coral (Sarcophyton sp) on the right, Raja Ampat, West Papua, Indonesia, Pacific Ocean.

Tim Fitzharris / Boulders in Devil's Slide, Gardiner, Montana

Tim Fitzharris / Pronghorn Antelope (Antilocapra americana) herd running over snow,Yellowstone National Park, Gardiner, Montana

Sumio Harada / American Bison (Bison bison) herd on road in Gardiner just outside of Yellowstone National Park, Montana

George Sanker / Elk / Wapiti (Cervus canadensis) stag with large antlers at riverside. Gardiner River, Yellowstone National Park, Wyoming, USA, September.

George Sanker / Elk / Wapiti (Cervus canadensis) bull with harem by the Gardiner River. Yellowstone National Park, Wyoming, USA, September.

Charlie Summers / Rocky Mountain Bighorn (Ovis canadensis) ram drinking from the Gardner River, north of the town of Gardiner, Montana, USA

Pete Oxford / Galapagos sealions (Zalophus californianus wollebake) sleeping on beach, Gardiner Bay, Hood Island, Ecuador