Donald M. Jones / Elk (Cervus elaphus) bull bugling, Alberta, Canada
00585347
Daniel J. Cox / Gray Wolf (Canis lupus) predating female Elk (Cervus elaphus) crossing river, Alum Creek, Yellowstone National Park, Wyoming, sequence 4 of 4
00585346
Daniel J. Cox / Gray Wolf (Canis lupus) killing female Elk (Cervus elaphus) crossing river, Alum Creek, Yellowstone National Park, Wyoming, sequence 3 of 4
00585345
Daniel J. Cox / Gray Wolf (Canis lupus) attacking female Elk (Cervus elaphus) crossing river, Alum Creek, Yellowstone National Park, Wyoming, sequence 2 of 4
00585344
Daniel J. Cox / Gray Wolf (Canis lupus) pair predating female Elk (Cervus elaphus) crossing river, Alum Creek, Yellowstone National Park, Wyoming, sequence 1 of 4
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Mark Raycroft / Elk (Cervus elaphus) bull in river in mist, North America
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Mark Raycroft / Elk (Cervus elaphus) bulls fighting, North America
00578950
Donald M. Jones / Elk (Cervus elaphus) bulls fighting, western Canada
00578943
Donald M. Jones / Elk (Cervus elaphus) bull bugling, western Canada
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Donald M. Jones / Elk (Cervus elaphus) bull rubbing tree during rut, western Canada
00557950
Donald M. Jones / Elk (Cervus elaphus) bull flehming, western Canada
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Donald M. Jones / Elk (Cervus elaphus) bull bugling, western Canada
