Erlend Haarberg / Bull European elk / Moose (Alces alces) portrait, Sarek National Park, Sweden, September
00481130
Donald M. Jones / Elk (Cervus elaphus) bull bugling, Jasper National Park, Alberta, Canada
00481125
Donald M. Jones / Elk (Cervus elaphus) bull bugling, Jasper National Park, Alberta, Canada
01314606
Charlie Summers / Elk / Wapiti (Cervus canadensis) stag Bull standing on snowy ridge, Yellowstone National Park, Wyoming, USA
01256649
Eric Baccega / Two Elk (Cervus canadensis) bulls at sunset, Jasper National Park, Rocky Mountains, Alberta, Canada, September
00431750
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull, western Montana
00431735
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull in velvet with Canadian Rockies backdrop, western Alberta, Canada
00431732
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull bugling, western Montana
00431717
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull with aspens, western Alberta, Canada
01174243
Rolf Nussbaumer / Elk / Wapiti {Cervus canadensis} bull bugling beside cow amongst aspen trees, Rocky Mountain National Park, Colorado, USA, September 2006
01140596
Rolf Nussbaumer / Elk {Cervus elaphus} bull bugling in rut, Yellowstone NP, Wyoming, USA
01101880
Asgeir Helgestad / European moose, large 15 ft bull, resting {Alces alces} antlers in velvet, Norway
01093317
Staffan Widstrand / Moose bull rubbing antlers on tree to shed velvet {Alces alces} Sarek NP, Sweden. WWE INDOOR EXHIBITION
00168696
Mark Raycroft / Elk (Cervus elaphus) portrait large male
00168687
Mark Raycroft / Elk (Cervus elaphus) bull crossing a river
00168684
Mark Raycroft / Elk (Cervus elaphus) large bull standing alert in meadow with mountains behind
00160113
Michael Quinton / Elk (Cervus elaphus) bull bugling during rut in the fall, Yellowstone National Park, Wyoming
01421044
George Sanker / Bull Elk (Cervus canadensis) resting by water. Autumn in Banff National Park, Alberta, Canada, October.
00499827
Sebastian Kennerknecht / Tule Elk (Cervus elaphus nannodes) bull, Point Reyes National Seashore, California
00499824
Sebastian Kennerknecht / Tule Elk (Cervus elaphus nannodes) dominant bull bugling during rut, Point Reyes National Seashore, California
00499818
Sebastian Kennerknecht / Tule Elk (Cervus elaphus nannodes) dominant bull bugling during rut at sunrise, Point Reyes National Seashore, California
00499813
Sebastian Kennerknecht / Tule Elk (Cervus elaphus nannodes) yearling bull, Point Reyes National Seashore, California
01408584
Peter Cairns / Bull Elk (Cervus elaphus canadensis), Mammoth Hot Springs, Yellowstone National Park, USA
01408581
Peter Cairns / Rutting bull Elk (Cervus elaphus canadensis) near Do Not Approach Elk sign in town of Mammoth Hot Springs, Yellowstone National Park, USA
01408580
Peter Cairns / Rutting bull Elk (Cervus elaphus canadensis) in town of Mammoth Hot Springs, Yellowstone National Park, USA
01408577
Peter Cairns / Park Ranger carrying taser gun in Mammoth Hot Springs, Yellowstone National Park, USA, where rutting bull elk come into town and tourists can be injured. October 2008.
01407603
Peter Cairns / Elk (Cervus elaphus canadensis) rutting bull in town of Mammoth Hot Springs, Yellowstone National Park, USA
01407601
Peter Cairns / Elk (Cervus elaphus canadensis) rutting bull crossing road, Mammoth Hot Springs, Yellowstone National Park, USA
Erlend Haarberg / European elk / Moose (Alces alces) bull in forest, Sarek National Park, Sweden, September
01389498
Erlend Haarberg / Bull European elk / Moose (Alces alces) walking, Sarek National Park, Sweden, September
00481670
Colin Monteath / Red Deer (Cervus elaphus) bulls running up hill in winter, Hustai National Park, Mongolia
01373853
George Sanker / Bull Elk (Cervus canadensis) lying down in approaching spring storm, Yellowstone National Park, Wyoming, USA, June
00481132
Donald M. Jones / Elk (Cervus elaphus) bull with grasses on antlers, National Bison Range, Moise, Montana
00481138
Donald M. Jones / Elk (Cervus elaphus) bull breathing, National Bison Range, Moise, Montana
00481135
Donald M. Jones / Elk (Cervus elaphus) bull, National Bison Range, Moise, Montana
00481134
Donald M. Jones / Elk (Cervus elaphus) bull bugling, National Bison Range, Moise, Montana
00481133
Donald M. Jones / Elk (Cervus elaphus) bull in river, National Bison Range, Moise, Montana
00481122
Donald M. Jones / Elk (Cervus elaphus) bulls, National Bison Range, Moise, Montana
00481129
Donald M. Jones / Elk (Cervus elaphus) bull bugling, Jasper National Park, Alberta, Canada
00481128
Donald M. Jones / Elk (Cervus elaphus) bull bugling, Jasper National Park, Alberta, Canada
00481127
Donald M. Jones / Elk (Cervus elaphus) bull bugling, Jasper National Park, Alberta, Canada
00481126
Donald M. Jones / Elk (Cervus elaphus) bull with females in forest, Jasper National Park, Alberta, Canada
00481124
Donald M. Jones / Elk (Cervus elaphus) bulls sparring, Jasper National Park, Alberta, Canada
01356774
George Sanker / Portrait of a bull Elk / Wapiti (Cervus canadensis). Yellowstone National Park, Wyoming, USA, October.
01353817
George Sanker / Elk / Wapiti (Cervus canadensis) bull with his harem of females. Yellowstone National Park, Wyoming, USA, October.
01353816
George Sanker / Elk / Wapiti (Cervus canadensis) bull with harem by the Gardiner River. Yellowstone National Park, Wyoming, USA, September.
01355052
Charlie Summers / Two bull Elk (Cervus canadensis) with velvet antlers. Wind Cave National Park, South Dakota, USA, May.
00455811
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull in snow, Yellowstone National Park, Wyoming
00455810
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls sparring, western Alberta, Canada
00455809
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls sparring, western Alberta, Canada
00455808
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls sparring, western Alberta, Canada
00455805
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull bugling, western Alberta, Canada
00455804
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull scent marking sapling with antlers, western Alberta, Canada
00455803
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull bugling, western Alberta, Canada
00455802
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls sparring, western Alberta, Canada
00455819
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls sparring, western Alberta, Canada
00455818
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls, western Alberta, Canada
00455817
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull, western Alberta, Canada
00455814
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull digging snow for forage, Yellowstone National Park, Wyoming
00455801
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull, western Alberta, Canada
00455800
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull calling, western Alberta, Canada
00455798
Donald M. Jones / American Elk (Cervus elaphus nelsoni) herd crossing river, western Alberta, Canada
00455797
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull feeding on aquatic plants, western Montana
01314452
Charlie Summers / Elk (Cervus canadenis) bull stamping, asserting his dominance, Yellowstone NP, Montana, USA
01314444
Charlie Summers / Bull Elk (Cervus canadensis) standing, posturing in Madison river, Yellowstone NP, Montana, USA
01314443
Charlie Summers / Bull Elk (Cervus canadensis) standing in Madison river, Yellowstone NP, Montana, USA
01314442
Charlie Summers / Bull Elk (Cervus canadensis) jumping into Madison river, Yellowstone NP, Montana, USA
01314441
Charlie Summers / Bull Elk (Cervus canadensis) in Madison river, Yellowstone NP, Montana, USA
01314426
Charlie Summers / Bull Elk (Cervus canadensis) with eight point antlers, resting with Rocky mountain background, Montana, USA
01314517
Charlie Summers / Elk (Cervus canadensis) bull crossing the Madison River of Yellowstone National Park, Wyoming, USA, October
01280861
Patricio Robles Gil / Bull elk (Cervus canadensis) portrait, during the rut, Grand Teton National Park, Wyoming, USA, October
00441290
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull in winter habitat, Jasper National Park, Alberta, Canada
00441292
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull bugling, North America
00441291
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull attempting to cross the Trans-Canadian Highway, Jasper National Park, Alberta, Canada
00441289
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls feeding in snow covered valley, Jasper National Park, Alberta, Canada
01277259
George Sanker / Young Grizzly bear (Ursus arctos horribilis) standing over bull Elk (Cervus canadensis) carcass, Yellowstone National Park, Wyoming, USA, June
01256568
Eric Baccega / Bull Moose (Alces alces) walking, Elk National Park, Alberta, Canada
01256566
Eric Baccega / Bull Elk (Cervus canadensis) Jasper National Park, Rocky Mountains, Alberta, Canada
01256563
Eric Baccega / Two bull Elk (Cervus canadensis) sparing in the mating season, Jasper National Park, Rocky Mountains, Alberta, Canada
01256561
Eric Baccega / Two bull Elk (Cervus canadensis) sparing in the mating season, Jasper National Park, Rocky Mountains, Alberta, Canada
01256569
Eric Baccega / Bull Moose (Alces alces) standing in long grass, Elk National Park, Alberta, Canada
01256567
Eric Baccega / Bull elk (Cervus Canadensis) crossing highway, with two people taking photographs out of parked car, Jasper National Park, Rocky mountains, Alberta, Canada, September 2009
01256565
Eric Baccega / Bull Elk (Cervus canadensis) walking near river, Jasper National Park, Rocky Mountains, Alberta, Canada
01256650
Eric Baccega / Bull Elk (Cervus canadensis) portrait, Jasper National Park, Rocky Mountains, Alberta, Canada, September
01256564
Eric Baccega / A bull Elk (Cervus canadensis) standing near a river, Jasper National Park, Rocky Mountains, Alberta, Canada
01256562
Eric Baccega / Two bull Elk (Cervus canadensis) sparing in the mating season, Jasper National Park, Rocky Mountains, Alberta, Canada
00432398
Donald M. Jones / Timber Wolf (Canis lupus) group keeping American Elk (Cervus elaphus nelsoni) in river with charging elk, Yellowstone National Park, Wyoming
00432400
Donald M. Jones / Timber Wolf (Canis lupus) group keeping American Elk (Cervus elaphus nelsoni) in river, Yellowstone National Park, Wyoming
00432399
Donald M. Jones / Timber Wolf (Canis lupus) pair keeping American Elk (Cervus elaphus nelsoni) in river, Yellowstone National Park, Wyoming
00432397
Donald M. Jones / Timber Wolf (Canis lupus) pair keeping American Elk (Cervus elaphus nelsoni) in river, Yellowstone National Park, Wyoming
00432396
Donald M. Jones / Timber Wolf (Canis lupus) group running down American Elk (Cervus elaphus nelsoni) bull, Yellowstone National Park, Wyoming
00432395
Donald M. Jones / Timber Wolf (Canis lupus) group running down American Elk (Cervus elaphus nelsoni) bull, Yellowstone National Park, Wyoming
00432393
Donald M. Jones / Timber Wolf (Canis lupus) keeping American Elk (Cervus elaphus nelsoni) in river, Yellowstone National Park, Wyoming
00431766
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull eating Quaking Aspen (Populus tremuloides) bark in winter, western Montana
00431768
Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull bedded in background and elk chews on Quaking Aspen (Populus tremuloides) bark in foreground, western Montana
