1. Trees growing out of the rocky cliffs of the Grand Canyon of the Yellowstone.

    Grand Canyon of the Yellowstone, Yellowstone National Park. May, 2019.

    Published on July 19, 2019

  2. The rocky walls of the Grand Canyon of the Yellowstone.

    Grand Canyon of the Yellowstone, Yellowstone National Park. May, 2019.

    Published on July 18, 2019

  3. The Yellowstone River in Yellowstone National Park. Its banks are covered on snow, and in the background, rolling hills and a line of trees can be seen.

    Hayden Valley, Yellowstone National Park. May, 2019.

    Published on July 18, 2019

  4. A coyote standing in the snow, with the frozen shore of Yellowstone Lake seen in the background.

    Coyote at Yellowstone Lake, Yellowstone National Park. May, 2019.

    Published on July 17, 2019

  5. Blondie, a grizzly bear, walking on a patch of snow in an open field at Grand Teton National Park.

    Grizzly Bear, Grand Teton National Park. May, 2019.

    Published on July 17, 2019

  6. Blondie and one of her cubs walking in an open field at Grand Teton National Park.

    Grizzly sow and one of her two-year-old cubs, at Grand Teton National Park.…

    Published on July 16, 2019

  7. A side close-up portrait of a bison, with a few blades of grass hanging from his mouth.

    Bison, Elk Ranch Flats, Grand Teton National Park. April, 2019.

    Published on July 16, 2019

  8. A bison standing at the Elk Ranch Flats, with a line of trees and a butte in the distance, beneath dark storm clouds.

    Bison, Elk Ranch Flats, Grand Teton National Park. April, 2019.

    Published on July 15, 2019

  9. A bison eating some grass at Elk Ranch Flats. A wooden fence can be seen behind him, and in the distance, a tree-covered hill.

    Bison, Elk Ranch Flats, Grand Teton National Park. April, 2019.

    Published on July 15, 2019

  10. A big bison bull at Elk Ranch Flats, looking sideways at the camera. Trees and mountains are seen in the distance, as are dark clouds in the sky.

    Bison, Elk Ranch Flats, Grand Teton National Park. April, 2019.

    Published on July 14, 2019

  11. Mount Moran, shrouded in clouds and fog, seen from Willow Flats.

    Mount Moran from Willow Flats, Grand Teton National Park. April, 2019.

    Published on July 14, 2019

  12. A grizzly bear walking in the snow next to some willows at Grand Teton National Park.

    Grizzly Bear, Grand Teton National Park. April, 2019.

    Published on July 13, 2019

  13. Two grizzly bear cubs walking side to side alongside a road in Grand Teton National Park.

    Grizzly Bears, Grand Teton National Park. April, 2019.

    Published on July 13, 2019

  14. Two grizzly bear cubs standing near some aspens and brush on the side of the road.

    Grizzly Bears, Grand Teton National Park. April, 2019.

    Published on July 12, 2019

  15. A grizzly bear cub walking on the side of a road, while it snows.

    Grizzly Bear, Grand Teton National Park. April, 2019.

    Published on July 12, 2019

  16. A grizzly bear cub standing in front of a sign next to a road, which is packed with cars and photographers pulled over to the side.

    Grizzly Bear, Grand Teton National Park. April, 2019.

    Published on July 11, 2019

  17. A two-year old grizzly bear cub walking on its hind legs in a partially snow-covered field.

    Grizzly Bear, Grand Teton National Park. April, 2019.

    Published on July 11, 2019

  18. A female grizzly bear and her two cubs walking near a road at Grand Teton National Park. The sow is looking towards the camera and the two cubs are play-fighting.

    Grizzly Bears at Grand Teton National Park. April, 2019.

    Published on July 10, 2019

  19. Two grizzly bears among the sage brush at Grand Teton National Park. One of them is partially hidden by the brush and the other one is looking up.

    Grizzly Bears at Grand Teton National Park. April, 2019.

    Published on July 10, 2019

  20. A grizzly bear wearing a tracking collar sitting in the sage brush and looking to his side.

    Grizzly Bear, Grand Teton National Park. April, 2019.

    Published on July 9, 2019

  21. A grizzly bear sitting in the sage brush at Grand Teton National Park. His snout is wet from digging in the mud.

    Grizzly Bear, Grand Teton National Park. April, 2019.

    Published on July 9, 2019

  22. A grizzly bear laying down in the sage brush at Grand Teton National Park.

    Grizzly Bear, Grand Teton National Park. April, 2019.

    Published on July 8, 2019

  23. A grizzly bear laying down in the brush so that only his eyes and ears are visible.

    Grizzly Bear, Grand Teton National Park. April, 2019.

    Published on July 8, 2019

  24. A bison walking among the brush at Grand Teton National Park.

    Bison at Grand Teton National Park, Wyoming. April, 2019.

    Published on July 7, 2019