Grizzly Bear (Ursus arctos horribilis) pair play-fighting, Lake Clark National Park and Preserve, Alaska  -  Dawn Y. Wilson
00648070
Dawn Y. Wilson / Grizzly Bear (Ursus arctos horribilis) pair play-fighting, Lake Clark National Park and Preserve, Alaska
Grizzly Bear (Ursus arctos horribilis) pair play-fighting, Lake Clark National Park and Preserve, Alaska  -  Dawn Y. Wilson
00648069
Dawn Y. Wilson / Grizzly Bear (Ursus arctos horribilis) pair play-fighting, Lake Clark National Park and Preserve, Alaska
Bighorn Sheep (Ovis canadensis) ram scent-marking, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648058
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) ram scent-marking, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) rams and female, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648049
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) rams and female, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) ram flehming, Waterton Canyon, Colorado  -  Dawn Y. Wilson
00575382
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) ram flehming, Waterton Canyon, Colorado
Bighorn Sheep (Ovis canadensis) sub-adult ram, Waterton Canyon, Colorado  -  Dawn Y. Wilson
00575381
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) sub-adult ram, Waterton Canyon, Colorado
Bighorn Sheep (Ovis canadensis) sub-adult ram, Waterton Canyon, Colorado  -  Dawn Y. Wilson
00575380
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) sub-adult ram, Waterton Canyon, Colorado
Elk (Cervus elaphus) bull bugling in winter, Rocky Mountain National Park, Colorado  -  Dawn Y. Wilson
00575379
Dawn Y. Wilson / Elk (Cervus elaphus) bull bugling in winter, Rocky Mountain National Park, Colorado
Elk (Cervus elaphus) bull in defensive posture in winter, Rocky Mountain National Park, Colorado  -  Dawn Y. Wilson
00575378
Dawn Y. Wilson / Elk (Cervus elaphus) bull in defensive posture in winter, Rocky Mountain National Park, Colorado
Grizzly Bear (Ursus arctos horribilis) cub playing with shell, Lake Clark National Park and Preserve, Alaska  -  Dawn Y. Wilson
00648068
Dawn Y. Wilson / Grizzly Bear (Ursus arctos horribilis) cub playing with shell, Lake Clark National Park and Preserve, Alaska
Bighorn Sheep (Ovis canadensis) rams fighting, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648067
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) rams fighting, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) ram with bloody nose from fighting, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648066
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) ram with bloody nose from fighting, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) rams fighting, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648065
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) rams fighting, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) ram flehming, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648064
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) ram flehming, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) ram displaying dominance, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648063
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) ram displaying dominance, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) rams chasing each other during fall rut, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648062
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) rams chasing each other during fall rut, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) ram feeding on grass, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648061
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) ram feeding on grass, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) ram showing dominance display, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648060
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) ram showing dominance display, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) ram, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648059
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) ram, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) ram scent-marking, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648057
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) ram scent-marking, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) rams fighting during rut, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648056
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) rams fighting during rut, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) rams fighting during rut, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648055
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) rams fighting during rut, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) rams fighting during rut, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648054
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) rams fighting during rut, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) rams fighting during rut, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648053
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) rams fighting during rut, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) ram displaying dominance, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648052
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) ram displaying dominance, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) ram standing about to fight, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648051
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) ram standing about to fight, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) ram in winter, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648050
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) ram in winter, Shoshone Canyon, Wyoming
Bighorn Sheep (Ovis canadensis) ram flehming, Shoshone Canyon, Wyoming  -  Dawn Y. Wilson
00648048
Dawn Y. Wilson / Bighorn Sheep (Ovis canadensis) ram flehming, Shoshone Canyon, Wyoming
Elk (Cervus elaphus) sub-adult bull, Rocky Mountain National Park, Colorado  -  Dawn Y. Wilson
00575383
Dawn Y. Wilson / Elk (Cervus elaphus) sub-adult bull, Rocky Mountain National Park, Colorado