Bull caribou grazing on the tundra with the Lisburne Production Facility in the background, Prudhoe Bay Oil Field, North Slope,  Arctic Alaska

July 20, 2012
Bull caribou walking on the tundra in the Prudhoe Bay Oil Field, North Slope,  Arctic Alaska

July 20, 2012
Bull caribou walking on the tundra in the Prudhoe Bay Oil Field, North Slope,  Arctic Alaska

July 20, 2012
Bull caribou grazing on the tundra in the Prudhoe Bay Oil Field, North Slope,  Arctic Alaska

July 20, 2012
Two muskox on the tundra in front the the Main Constructoin Camp (MCC) in the Prudhoe Bay Oil Field, North Slope, Arctic Alaska
May 26, 2012
Adult Muskox and calf on the tundra with snow falling in the Prudhoe Bay Oil Field, North Slope, Arctic Alaska
May 26, 2012
Close up of a Muskox grazing on the tundra in the Prudhoe Bay Oilfield, North Slope, Arctic Alaska
May 26, 2012
Muskox family laying on the tundra in the Prudhoe Bay Oilfield, North Slope, Arctic Alaska
May 26, 2012
Close up of a Muskox grazing on the tundra in the Prudhoe Bay Oilfield, North Slope, Arctic Alaska
May 26, 2012
Bull caribou grazing on the tundra with the Lisburne Production Facility in the background, Prudhoe Bay Oil Field, North Slope, Arctic Alaska

July 20, 2012
Bull caribou grazing on the tundra with the Lisburne Production Facility in the background, Prudhoe Bay Oil Field, North Slope,  Arctic Alaska

July 20, 2012
Bull caribou grazing on the tundra with the Lisburne Production Facility in the background, Prudhoe Bay Oil Field, North Slope, Arctic Alaska

July 20, 2012
See photo in original gallery.