1. Two bighorn sheep on a rock during snowfall.

    Desert Bighorn Sheep, Zion National Park. December, 2019.

    Published on February 26, 2020

  2. A desert bighorn sheep, resting on a rock in snowfall.

    Desert Bighorn Sheep, Zion National Park. December, 2019.

    Published on February 25, 2020

  3. A desert bighorn sheep, resting on a rock in snowfall.

    Desert Bighorn Sheep, Zion National Park. December, 2019.

    Published on February 25, 2020

  4. Seven desert bighorn sheep eating from a shrub growing on a sandstone hillside.

    Desert Bighorn Sheep, Zion National Park. December, 2019.

    Published on February 22, 2020

  5. A desert bighorn sheep  standing next to a shrub.

    Desert Bighorn Sheep, Zion National Park. December, 2019.

    Published on February 21, 2020

  6. Three desert bighorn sheep eating from a shrub growing on a sandstone hillside.

    Desert Bighorn Sheep, Zion National Park. December, 2019.

    Published on February 21, 2020

  7. Five desert bighorn sheep eating from a shrub growing on a sandstone hillside.

    Desert Bighorn Sheep, Zion National Park. December, 2019.

    Published on February 20, 2020

  8. A desert bighorn sheep clambering down a jagged sandstone hillside.

    Desert Bighorn Sheep, Zion National Park. December, 2019.

    Published on February 20, 2020

  9. Eight desert bighorn sheep eating from a shrub growing on a sandstone hillside.

    Desert Bighorn Sheep, Zion National Park. December, 2019.

    Published on February 19, 2020

  10. Two desert bighorn sheep on a rock at Zion. The one on the right is sitting down, wearing a radio collar, and looking at the camera. The one on the left is standing up and eating from a bush.

    Desert Bighorn Sheep, Zion National Park. December, 2019.

    Published on January 27, 2020

  11. A desert bighorn sheep munching on some tree branches. The sheep is wearing a collar with an antenna.

    Desert Bighorn Sheep, Zion National Park. December, 2019.

    Published on January 27, 2020

  12. Two moose standing side by side on the snow-covered sage brush of Antelope Flats. The one in the foreground is walking, and his nose is covered in snow. The one in the background is heads-down, browsing the brush.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 17, 2020

  13. A bull moose stepping through deep snow near Moose, Wyoming.

    Bull Moose, Grand Teton National Park. December, 2019.

    Published on January 17, 2020

  14. 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

  15. A bull moose standing in the snow-covered sage brush at Antelope Flats. In the background, a pine-covered hill.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 15, 2020

  16. A close-up of a bull moose standing in the snow at Antelope Flats.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 14, 2020

  17. A bull moose a snow-covered road near Antelope Flats. His snout is covered in snow.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 14, 2020

  18. A bull moose standing in the snow at Antelope Flats. His snout is covered in snow.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 13, 2020

  19. Four bull moose lying down in the snow-covered sage brush of Antelope Flats. The one in the foreground is looking in the direction of the camera.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 13, 2020

  20. A bull moose lying down in snow-covered sage brush at Antelope Flats. His head is facing in the direction of the camera.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 12, 2020

  21. A close-up of a bull moose lying down in the snow. His teeth are visible mid-chew, making him look like he's smiling.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 12, 2020

  22. A close-up of a bull moose on Antelope Flats. His snout is covered in snow.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 11, 2020

  23. A bull moose standing in snow-covered sage brush on Antelope Flats.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 11, 2020

  24. A bull moose standing in snow-covered sage brush on Antelope Flats.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 10, 2020

  25. A bull moose standing in snow-covered sage brush on Antelope Flats. His head is turned towards the camera.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 10, 2020

  26. A close-up of a bull moose lying down in the snow.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 9, 2020

  27. A bull moose lying down in snow-covered sage brush at Antelope Flats. He's looking towards the camera. In the background, pine-covered hills.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 9, 2020

  28. A bull moose standing in snow-covered sage brush on Antelope Flats.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 8, 2020

  29. A bull moose standing in snow-covered sage brush on Antelope Flats.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 8, 2020

  30. Two bull moose lying down in snow-covered sage brush at Antelope Flats.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 7, 2020

  31. Three bull moose lying down among snow covered sage brush in Antelope Flats. Only their antlers and the top of their heads can be seen. The two on the left are facing away from the camera; the one on the right is facing towards the camera.

    Bull Moose, Antelope Flats, Grand Teton National Park. December, 2019.

    Published on January 7, 2020

  32. 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

  33. 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

  34. 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

  35. 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

  36. 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

  37. 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

  38. 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

  39. 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

  40. 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

  41. A bull moose walking through snow-covered sage brush during an early morning snowfall.

    Bull Moose, Grand Teton National Park. November, 2019.

    Published on January 1, 2020

  42. A bull moose walking through snow-covered sage brush.

    Bull Moose, Grand Teton National Park. November, 2019.

    Published on January 1, 2020

  43. A portrait of a bull moose at Antelope Flats while it snows.

    Bull Moose, Antelope Flats, Grand Teton National Park. November, 2019.

    Published on December 30, 2019

  44. A portrait of a bull moose, just about to munch on some grasses.

    Bull Moose, Antelope Flats, Grand Teton National Park. November, 2019.

    Published on December 29, 2019

  45. Two young bull moose standing next to each other. The one on the left is heads down eating some brush, the one on the right is looking over his shoulder.

    Bull Moose, Grand Teton National Park. November, 2019.

    Published on December 29, 2019

  46. A bull moose with small paddles eating some brush and looking in the direction of the camera.

    Bull Moose, Grand Teton National Park. November, 2019.

    Published on December 28, 2019

  47. A bull moose walking past another bull moose, which is heads-down eating some brush and has smaller paddles.

    Bull Moose, Grand Teton National Park. November, 2019.

    Published on December 28, 2019

  48. A portrait of a bull moose looking towards his left, his tongue slightly poking out of his mouth.

    Bull Moose, Grand Teton National Park. November, 2019.

    Published on December 27, 2019

  49. A side portrait of a bull moose.

    Bull Moose, Grand Teton National Park. November, 2019.

    Published on December 27, 2019

  50. A bull moose standing in the sage brush between two trees. He's looking over his shoulder.

    Bull Moose, Grand Teton National Park. November, 2019.

    Published on December 26, 2019