• Dead-trees-with-side-light_S6A6616-Yellowstone-National-Park,-WY,-USA.jpg
  • Coyote-eating-prey-in-snow-II_E7T4562-Lamar-Valley,-Yellowstone-National-Park,-WY,-USA.jpg
  • Elk-bull-moving-snow_D0P0818-Yellowstone-National-Park,-WY,-USA.jpg
  • Gibbon-River-Falls_S6A5808-Yellowstone-National-Park,-WY,-USA.jpg
  • Red-Fox-yawning_E7T5409-Lamar-Valley,-Yellowstone-National-Park,-WY,-USA.jpg
  • Trees-with-morning-frost_3L9A5510-Lamar-Valley,-Yellowstone-National-Park,-WY,-USA.jpg
  • Wolf cruising through the pine trees II_B8R6308-Yellowstone National Park, WY, USA.jpg
  • Bighorn-sheep-bull-standing-in-the-snow_B8R7120-Yellowstone-National-Park,-WY,-USA.jpg
  • Bison-crossing-the-Madison-river_B8R6659-Yellowstone-National-Park,-WY,-USA.jpg
  • Bison-grazing-with-geyser-steam_S6A6035-Yellowstone-National-Park,-WY,-USA.jpg
  • Bison-walking-in-the-snow-field_44A9647-Yellowstone-National-Park,-WY,-USA.jpg
  • Branch-with-early-morning-frost_E7T5465-Lamar-Valley,-Yellowstone-National-Park,-WY,-USA.jpg
  • Firehole-river-floating-into-canyon_S6A5879-Yellowstone-National-Park,-WY,-USA.jpg
  • Hoar-frost-trees-in-snow-fleet_S6A6569-Yellowstone-National-Park,-WY,-USA.jpg
  • Bighorn-sheep-on-a-hill_E7T5656-Lamar-Valley,-Yellowstone-National-Park,-WY,-USA.jpg
  • Bison-walking-in-snow-field_44A9689-Yellowstone-National-Park,-WY,-USA.jpg
  • Bisons-with-snow-in-snow_E7T4454-Lamar-Valley,-Yellowstone-National-Park,-WY,-USA.jpg
  • Red-fox-walking-along-snow-ridge_B8R6432-Yellowstone-National-Park,-WY,-USA.jpg
  • Red-Fox-walking-in-the-snow_44A9532-Yellowstone-National-Park,-WY,-USA.jpg
  • Snow-covered-trees-and-geyser-with-starburst-sun_S6A5747-Yellowstone-National-Park,-WY,-USA.jpg
  • Bison-herd-grazing-in-the-snow_E7T5951-Yellowstone-National-Park,-WY,-USA.jpg
  • Bison-standing-in-the-Madison-River_44A9807-Yellowstone-National-Park,-WY,-USA.jpg
  • Bison-walking-in-the-Madison-river_B8R6638-Yellowstone-National-Park,-WY,-USA.jpg
  • Bison-walking-vertical_B8R6617-Yellowstone-National-Park,-WY,-USA.jpg
  • Coyote-checking-out-prey_B8R6451-Yellowstone-National-Park,-WY,-USA.jpg
  • Dead-trees-in-snow-field-HDR_B&W_S6A6487-Yellowstone-National-Park,-WY,-USA.jpg
  • Red-Fox-in-crevasse_E7T5149-Lamar-Valley,-Yellowstone-National-Park,-WY,-USA.jpg
  • Firehole-river-cascades_vertical-pano-Yellowstone-National-Park,-WY,-USA_HDR.jpg
  • Steam-over-the-river_S6A6396-Yellowstone-National-Park,-WY,-USA.jpg
  • Swans-swimming-in-the-river_D0P0598-Yellowstone-National-Park,-WY,-USA.jpg
  • Trees-in-snow-landscape_D0P0374-Yellowstone-National-Park,-WY,-USA.jpg
  • Bighorn-sheep-running-in-snow_E7T5595-Lamar-Valley,-Yellowstone-National-Park,-WY,-USA.jpg
  • Coyote-walking-through-deep-snow_B8R6477-Yellowstone-National-Park,-WY,-USA.jpg
  • Red-Fox-sleeping_E7T5092-Lamar-Valley,-Yellowstone-National-Park,-WY,-USA.jpg
  • Sunlight-and-shadows-among-trees-and-snow_S6A6620-Yellowstone-National-Park,-WY,-USA.jpg
  • Trees-in-the-morning-fog_B&W_D0P0541-Yellowstone-National-Park,-WY,-USA.jpg
  • Bison-in-the-snow-wide-angle_S6A5797-Yellowstone-National-Park,-WY,-USA.jpg
  • Bison-standing-together_B8R6102-Yellowstone-National-Park,-WY,-USA.jpg
  • Firehole-river-cascades-II_S6A5973-Yellowstone-National-Park,-WY,-USA.jpg
  • Firehole-river-entering-the-canyon_S6A5894-Yellowstone-National-Park,-WY,-USA.jpg
  • Reflections-in-the-Firehole-river_S6A5872-Yellowstone-National-Park,-WY,-USA.jpg
  • Bison-with-frost-on-body_B8R6150-Yellowstone-National-Park,-WY,-USA.jpg
  • Trees-on-the-mountain-side_B&W_B8R5712-Lamar-Valley,-Yellowstone-National-Park,-WY,-USA.jpg
  • Wolves-walking-through-the-snow_B8R6356-Yellowstone-National-Park,-WY,-USA.jpg
  • Bison-herd-in-the-snow_B8R5644-Lamar-Valley,-Yellowstone-National-Park,-WY,-USA.jpg
  • Bison-with-snow-and-ice-on-face_E7T4414-Lamar-Valley,-Yellowstone-National-Park,-WY,-USA.jpg
  • Logpine-tree-with-snow-and-sunburst_S6A5710-Yellowstone-National-Park,-WY,-USA.jpg
  • Bighorn-sheep-bull-laying-in-the-snow_B8R7076-Yellowstone-National-Park,-WY,-USA.jpg