Rocky Mountain Bighorn Sheep
Custer State Park, Badlands National Park, and Cleghorn State Fish Hatchery, South Dakota. Hover pointer over thumbnail for caption. Click on thumbnail to load larger image.
Rocky Mountain Bighorn ram, Custer State Park, South Dakota, February 2008. Rocky Mountain Bighorn ewe and ram, Custer State Park, South Dakota, February 2008. Rocky Mountain Bighorn ram, Custer State Park, South Dakota, February 2008. Rocky Mountain Bighorn ram, Custer State Park, South Dakota, February 2008. Rocky Mountain Bighorn ram jumping a highway guardrail, Custer State Park, South Dakota, February 2008.
Rocky Mountain Bighorn, Custer State Park, SD, October 2008. Rocky Mountain Bighorn, Custer State Park, SD, September 2008. Rocky Mountain Bighorns, Custer State Park, SD, September 2008. Rocky Mountain Bighorns, Custer State Park, SD, September 2008. Rocky Mountain Bighorn, Custer State Park, SD, September 2008.
Rocky Mountain Bighorns, Custer State Park, SD, October 2008. Rocky Mountain Bighorns, Custer State Park, SD, October 2008. Rocky Mountain Bighorn, Custer State Park, SD, October 2008. Rocky Mountain Bighorn, Custer State Park, SD, October 2008. Rocky Mountain Bighorn ewes on the lawn of Norbeck Visitor Center, Custer State Park, SD, October 2008.
Rocky Mountain Bighorn ewes sparring, Custer State Park, SD, October 2008. Rocky Mountain Bighorn ewe, Custer State Park, SD, October 2008. Rocky Mountain Bighorn ewe, Custer State Park, SD, October 2008. Rocky Mountain Bighorn, Cleghorn State Fish Hatchery, SD, December 2008. Rocky Mountain Bighorn, Cleghorn State Fish Hatchery, SD, December 2008.
Rocky Mountain Bighorn, Cleghorn State Fish Hatchery, SD, December 2008. Rocky Mountain Bighorn ewe, Cleghorn State Fish Hatchery, SD, December 2008. Rocky Mountain Bighorn among the thistles, Cleghorn State Fish Hatchery, SD, December 2008. Rocky Mountain Bighorn, Cleghorn State Fish Hatchery, SD, December 2008. Rocky Mountain Bighorn crossing the highway, Cleghorn State Fish Hatchery, SD, December 2008.
Rocky Mountain Bighorn with grass stuck in his horn, Cleghorn State Fish Hatchery, SD, December 2008. Six Rocky Mountain Bighorn rams, Cleghorn State Fish Hatchery, SD, December 2008. Rocky Mountain Bighorn ewe in the rocks above Cleghorn State Fish Hatchery, SD, December 2008. Rocky Mountain Bighorns rams showing mating behavior, Cleghorn State Fish Hatchery, SD, December 2008. Rocky Mountain Bighorn during mating season, Custer State Park, SD, December 2008.
Rocky Mountain Bighorn, Custer State Park, SD, December 2008. Rocky Mountain Bighorn, Custer State Park, SD, December 2008. Rocky Mountain Bighorns in the snow, Custer State Park, SD, December 2008. Four Rocky Mountain Bighorn ewes, Custer State Park, SD, December 2008. Rocky Mountain Bighorn, Custer State Park, SD, December 2008.
Rocky Mountain Bighorn, Custer State Park, SD, December 2008. Rocky Mountain Bighorn, Custer State Park, SD, December 2008. Rocky Mountain Bighorn ewe, Custer State Park, SD, December 2008. Rocky Mountain Bighorn ram, Custer State Park, Dec. 5, 2009. Rocky Mountain Bighorn ram, Custer State Park, Dec. 5, 2009.
Rocky Mountain Bighorn ram, Custer State Park, Dec. 5, 2009. Rocky Mountain Bighorn ram, Custer State Park, Dec. 5, 2009. Rocky Mountain Bighorn ram, Custer State Park, Dec. 5, 2009. Rocky Mountain Bighorn ewe, Custer State Park, Dec. 5, 2009. Rocky Mountain Bighorn ram, Custer State Park, Dec. 5, 2009.
Rocky Mountain Bighorn ram, Custer State Park, Dec. 5, 2009. Rocky Mountain Bighorn ram, Custer State Park, Dec. 5, 2009. Rocky Mountain Bighorn ram, Custer State Park, Dec. 5, 2009. Rocky Mountain Bighorn ram, Custer State Park, Dec. 5, 2009. Rocky Mountain Bighorn rams, Custer State Park, Dec. 5, 2009.
Rocky Mountain Bighorn rams, Custer State Park, Dec. 5, 2009. Rocky Mountain Bighorns, Custer State Park, Dec. 5, 2009. Rocky Mountain Bighorns, Custer State Park, Dec. 5, 2009. Rocky Mountain Bighorn ewe leaps 4-foot fence, Custer State Park, Dec. 5, 2009. Rocky Mountain Bighorn ewe leaps 4-foot fence, Custer State Park, Dec. 5, 2009.
Rocky Mountain Bighorn ewe leaps 4-foot fence, Custer State Park, Dec. 5, 2009. Rocky Mountain Bighorn ewe leaps 4-foot fence, Custer State Park, Dec. 5, 2009. Rocky Mountain Bighorn ram and ewe, Custer State Park, Dec. 5, 2009. Rocky Mountain Bighorn ewe digs through the snow to feed, Custer State Park, Dec. 6, 2009. Bighorn sheep, Cleghorn Canyon, Rapid City, SD, January 2011.
Bighorn ewe peers down from a resting spot, Cleghorn Canyon, Rapid City, SD, January 2011. Bighorn sheep, Cleghorn Canyon, Rapid City, SD, January 2011. Bighorn sheep, Cleghorn Canyon, Rapid City, SD, January 2011. Bighorn sheep, Cleghorn Canyon, Rapid City, SD, January 2011. Bighorn sheep, Cleghorn Canyon, Rapid City, SD, January 2011.
Bighorn sheep, Cleghorn Canyon, Rapid City, SD, January 2011. Bighorn sheep, Cleghorn Canyon, Rapid City, SD, January 2011. Bighorn sheep, Cleghorn Canyon, Rapid City, SD, January 2011. Bighorn sheep, Cleghorn Canyon, Rapid City, SD, January 2011. Bighorn sheep, Cleghorn Canyon, Rapid City, SD, January 2011.
Bighorn sheep, Cleghorn Canyon, Rapid City, SD, January 2011. Bighorns, Cleghorn Canyon, SD, January 2011. Bighorn sheep, Cleghorn Canyon, Rapid City, SD, January 2011. Sure-footed bighorn sheep bobbled jumping to here, jumped back down and tried again.  Cleghorn Canyon, Rapid City, SD, January 2011. Bighorn lamb, Custer State Park, South Dakota, July 2011.
Bighorn lambs, Custer State Park, South Dakota, July 2011. Bighorn lambs, Custer State Park, South Dakota, July 2011. Bighorn lambs, Custer State Park, South Dakota, July 2011. Bighorn lambs, Custer State Park, South Dakota, July 2011. Bighorn lambs, Custer State Park, South Dakota, July 2011.
Bighorn lambs, Custer State Park, South Dakota, July 2011. Bighorn lamb, Custer State Park, South Dakota, July 2011. Bighorn lamb, Custer State Park, South Dakota, July 2011. Bighorn lamb, Custer State Park, South Dakota, July 2011. Bighorn ewe, Custer State Park, South Dakota, July 2011.
Bighorns, Custer State Park, South Dakota, July 2011. All four bighorn lambs, Custer State Park, South Dakota, July 2011. All four bighorn lambs, Custer State Park, South Dakota, July 2011. Bighorn lambs, Custer State Park, South Dakota, July 2011. Bighorn ewe, Custer State Park, South Dakota, July 2011.
Bighorn lambs, Custer State Park, South Dakota, July 2011. Bighorn ewe, Custer State Park, South Dakota, July 2011. Bighorn lambs, Custer State Park, South Dakota, July 2011. Lone bighorn ewe, Custer State Park. Bighorn, Custer State Park, April 2012.
Bighorn, Custer State Park, April 2012. Bighorn, Custer State Park, April 2012. Bighorns, Custer State Park, April 2012. Bighorns, Custer State Park, April 2012. Bighorns, Custer State Park, April 2012.
Bighorn, Custer State Park, April 2012. Bighorn, Custer State Park, April 2012. Bighorn, Custer State Park, April 2012. Bighorn, Custer State Park, April 2012. Bighorn, Custer State Park, April 2012.
Bighorn, Custer State Park, April 2012. Bighorn, Custer State Park, April 2012. Bighorn, Custer State Park, April 2012. Bighorn, Custer State Park, April 2012. Bighorn, Custer State Park, April 2012.
Bighorn, Custer State Park, April 2012. Bighorn, Custer State Park, April 2012. Bighorn, Custer State Park, April 2012. Bighorn, Custer State Park, April 2012. Bighorn scratching on fence, Custer State Park, April 2012.
Bighorn, Custer State Park, April 2012. Bighorns, Custer State Park, April 2012. Bighorns, Custer State Park, April 2012. Bighorn, Custer State Park, April 2012. Bighorn scratching on fence, Custer State Park, April 2012.
Bighorn scratching, Custer State Park, April 2012. Bighorn, Custer State Park, April 2012. Bighorns, Custer State Park, April 2012. Bighorn sheep in South Dakota Badlands after an October snow.  I was on the wrong side of the car so I passed the camera to my future fiancé Sue, who took this shot. Bighorn sheep in South Dakota Badlands after an October snow.  I was on the wrong side of the car so I passed the camera to my friend Sue, who took this shot.
Bighorn sheep in South Dakota Badlands, October.  This is a different sheep than the prior two images and the snow isn´t evident. Bighorn sheep in South Dakota Badlands, October. Bighorn ewes lounging by the side of the highway, Custer State Park, South Dakota. Bighorn ewes lounging by the side of the highway, Custer State Park, South Dakota. Bighorn ewes lounging by the side of the highway, Custer State Park, South Dakota.
Bighorn ewes lounging by the side of the highway, Custer State Park, South Dakota. Bighorn ewe in Custer State Park, October 2014 Bighorn yearling, Custer State Park, March 2015. Bighorn sheep in the Badlands, October 2016. Bighorn sheep in the Badlands, October 2016.
Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016.
Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016.
Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016.
Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016.
Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016. Bighorn sheet in the Badlands, October 2016. Bighorn, Badlands National Park, 2016. Bighorn, Badlands National Park, 2016.
Bighorn, Badlands National Park, 2016. Bighorn, Badlands National Park, 2016. Bighorn, Badlands National Park, 2016. Bighorn ewe taking it easy, Badlands National Park, 2016. Flock of seven bighorns (two out of frame to the left), Badlands National Park, 2016.
Bighorn lamb, Badlands National Park, 2016. Bighorn ewe portrait, Badlands National Park, 2016. Bighorn (part of different group than preceding images), Badlands National Park, 2016. Bighorn with a wild look in his eye (see next image), Badlands National Park, 2016. Bighorn with a wild look in his eye (it´s that time of year), Badlands National Park, 2016.
Bighorn and his harem, Badlands National Park, 2016. Rocky Mountain Bighorn Sheep, Badlands National Park, 2016. Rocky Mountain Bighorn Sheep, Badlands National Park, 2016. Rocky Mountain Bighorn Sheep, Badlands National Park, 2016. Bighorn in the Badlands, April 2017.
Bighorn ewes, Badlands National Park, April 2017. Bighorn, Badlands National Park, April 2017. Bighorn, Badlands National Park, April 2017. Bighorn, Badlands National Park, April 2017. Bighorns, Badlands National Park, April 2017.
Bighorn, Badlands National Park, April 2017. Bighorn, Badlands National Park, April 2017. Bighorn, Badlands National Park, April 2017. Bighorn, Badlands National Park, April 2017. Bighorn, Badlands National Park, April 2017.
Bighorn, Badlands National Park, April 2017. Bighorns, Badlands National Park, April 2017. Bighorns, Badlands National Park, April 2017. Bighorn, Badlands National Park, April 2017. Bighorn, Badlands National Park, April 2017.
Bighorn, Badlands National Park, April 2017. Bighorn, Badlands National Park, April 2017. Bighorn, Badlands National Park, April 2017. Bighorn, Badlands National Park, April 2017. Bighorn, Badlands National Park, April 2017.
Bighorn, Badlands National Park, April 2017. Bighorn, Badlands National Park, April 2017. Bighorn, Badlands National Park, April 2017. Bighorn, Badlands National Park, April 2017. Bighorn relaxing and enjoying the view, Badlands National Park, April 2017.

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All photos ©1998-2017 by Thomas O'Neil