1. Three bighorn sheep standing on top of a snow-covered rocky ridge at the National Elk Refuge.

    Bighorn Sheep, National Elk Refuge, Wyoming. December, 2019.

    Published on January 16, 2020

  2. Two bighorn sheep ram standing next to each other. The one on the right has some grasses coming out of his mouth. Their horns are touching.

    Bighorn Sheep, National Elk Refuge, Wyoming. December, 2019.

    Published on January 6, 2020

  3. Two bighorn sheep ram. The one on the left is looking towards the camera; the one on the right is heads down, eating, and is obscured by some out of focus grasses in the foreground.

    Bighorn Sheep, National Elk Refuge, Wyoming. December, 2019.

    Published on January 6, 2020

  4. Two bighorn sheep ram standing in front of each other. They're standing on a snow-covered hillside, looking in opposite directions.

    Bighorn Sheep, National Elk Refuge, Wyoming. December, 2019.

    Published on January 5, 2020

  5. A bighorn sheep ram rubbing its face against another ram's face, as if whispering something on his ear.

    Bighorn Sheep, National Elk Refuge, Wyoming. December, 2019.

    Published on January 5, 2020

  6. A bighorn sheep ram standing on a snow-covered rocky ridge on Millers Butte, National Elk Refuge.

    Bighorn Sheep, National Elk Refuge, Wyoming. December, 2019.

    Published on January 4, 2020

  7. A bighorn sheep ram standing on a snow-covered hillside, looking towards the camera.

    Bighorn Sheep, National Elk Refuge, Wyoming. December, 2019.

    Published on January 4, 2020

  8. A bighorn sheep ram standing on a snow-covered ridge at the National Elk Refuge, and looking towards the camera.

    Bighorn Sheep, National Elk Refuge, Wyoming. November, 2019.

    Published on January 3, 2020

  9. A bighorn sheep ram standing on a snow covered ridge at the National Elk Refuge.

    Bighorn Sheep, National Elk Refuge, Wyoming. November, 2019.

    Published on January 3, 2020

  10. A bighorn sheep standing on a snow-covered rocky ridge at the National Elk Refuge.

    Bighorn Sheep, National Elk Refuge, Wyoming. November, 2019.

    Published on January 2, 2020

  11. Two bighorn sheep butting heads on a rocky cliff at the National Elk Refuge.

    Two bighorn sheep butting heads at the National Elk Refuge, Wyoming. April,…

    Published on July 4, 2019

  12. A bighorn sheep ewe and lamb standing on the National Elk Refuge road.

    Bighorn Sheep, National Elk Refuge, Wyoming. February, 2019.

    Published on June 10, 2019

  13. A close-up of a cute little bighorn sheep lamb looking straight at the camera.

    Bighorn Sheep, National Elk Refuge, Wyoming. February, 2019.

    Published on June 9, 2019

  14. A bighorn sheep ram scrambling on a rock outcropping at Millers Butte in the National Elk Refuge.

    Bighorn Sheep on Millers Butte, National Elk Refuge. January, 2019.

    Published on June 9, 2019

  15. A bighorn sheep ewe with a lamb, resting at the top of a rock at Millers Butte, in the National Elk Refuge.

    Bighorn Sheep, National Elk Refuge, Wyoming. January, 2019.

    Published on May 29, 2019

  16. A bighorn sheep lamb scrambling at the top of a ridge at Millers Butte, at the National Elk Refuge.

    Bighorn Sheep, National Elk Refuge, Wyoming. January, 2019.

    Published on May 29, 2019

  17. Side view of a bighorn sheep doing the flehmen response, at the National Elk Refuge.

    Bighorn Sheep, National Elk Refuge, Wyoming. January, 2019.

    Published on May 26, 2019

  18. A close-up of a bighorn sheep ram standing in the snow at the National Elk Refuge.

    Bighorn Sheep, National Elk Refuge, Wyoming. January, 2019.

    Published on May 26, 2019

  19. Four bighorn sheep huddling on the road at the National Elk Refuge, with Millers Butte in the background.

    Bighorn Sheep, National Elk Refuge, Wyoming. December, 2018.

    Published on May 13, 2019

  20. Two bighorn sheep rams standing on a ridge at the top of Millers Butter at the National Elk Refuge.

    Bighorn Sheep, National Elk Refuge, Wyoming. December, 2018.

    Published on May 8, 2019

  21. Three bighorn sheep rams posturing on a hillside at the National Elk Refuge.

    Bighorn Sheep, National Elk Refuge, Wyoming. December, 2018.

    Published on May 8, 2019

  22. A bighorn sheep ewe standing on the side of the road at the National Elk Refuge, with Jackson and the East Gros Ventre Butte in the background.

    Bighorn Sheep, National Elk Refuge, Wyoming. December, 2018.

    Published on May 7, 2019

  23. A bighorn sheep lamb standing next to an ewe at the National Elk Refuge. The lamb is looking towards the camera, and the ewe is looking away.

    Bighorn Sheep, National Elk Refuge, Wyoming. December, 2018.

    Published on April 30, 2019

  24. A bighorn sheep lamb standing on the road at the National Elk Refuge.

    Bighorn Sheep, National Elk Refuge, Wyoming. December, 2018.

    Published on April 30, 2019