Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull in velvet with Canadian Rockies backdrop, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull bugling, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull with aspens, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull in snow, Yellowstone National Park, Wyoming
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls sparring, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls sparring, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls sparring, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull bugling, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull scent marking sapling with antlers, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull bugling, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls sparring, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls sparring, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull digging snow for forage, Yellowstone National Park, Wyoming
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull calling, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) herd crossing river, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull feeding on aquatic plants, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull in winter habitat, Jasper National Park, Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull bugling, North America
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull attempting to cross the Trans-Canadian Highway, Jasper National Park, Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls feeding in snow covered valley, Jasper National Park, Alberta, Canada
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Yva Momatiuk & John Eastcott / American Elk (Cervus elaphus nelsoni) females and calves resting near park headquarters with tourists, Yellowstone National Park, Wyoming
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Yva Momatiuk & John Eastcott / American Elk (Cervus elaphus nelsoni) females and calves resting near park headquarters with tourists, Yellowstone National Park, Wyoming
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Yva Momatiuk & John Eastcott / American Elk (Cervus elaphus nelsoni) females and calves resting near park headquarters, Yellowstone National Park, Wyoming
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Donald M. Jones / Timber Wolf (Canis lupus) group keeping American Elk (Cervus elaphus nelsoni) in river with charging elk, Yellowstone National Park, Wyoming
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Donald M. Jones / Timber Wolf (Canis lupus) group keeping American Elk (Cervus elaphus nelsoni) in river, Yellowstone National Park, Wyoming
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Donald M. Jones / Timber Wolf (Canis lupus) pair keeping American Elk (Cervus elaphus nelsoni) in river, Yellowstone National Park, Wyoming
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Donald M. Jones / Timber Wolf (Canis lupus) pair keeping American Elk (Cervus elaphus nelsoni) in river, Yellowstone National Park, Wyoming
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Donald M. Jones / Timber Wolf (Canis lupus) group running down American Elk (Cervus elaphus nelsoni) bull, Yellowstone National Park, Wyoming
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Donald M. Jones / Timber Wolf (Canis lupus) group running down American Elk (Cervus elaphus nelsoni) bull, Yellowstone National Park, Wyoming
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Donald M. Jones / Timber Wolf (Canis lupus) keeping American Elk (Cervus elaphus nelsoni) in river, Yellowstone National Park, Wyoming
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) male and cow interacting, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) calf feeding while standing in creek, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull eating Quaking Aspen (Populus tremuloides) bark in winter, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) chew marks on bark of Quaking Aspen (Populus tremuloides), western Montana
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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
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull in snow, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bed in snow, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) chew marks on bark of Quaking Aspen (Populus tremuloides), western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) scat in snow, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull feeding on Douglas Fir (Pseudotsuga menziesii), western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls sparring in winter, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull amid bushes, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) calf feeding on berries, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull resting in snow, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) cow feeding on pond vegetation, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull crossing river, North America
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull and tourists along road, Jasper National Park, Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull in velvet grazing on grass, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull in velvet, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull and cows in winter, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull kicking snow, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) calf standing in water, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull bugling with harem, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull bugling with cow nearby, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull flehming, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull and cow mating, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull in velvet with Canadian Rockies backdrop, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull running, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull bugling, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) cow with radio-collar and ear tag, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) wallow, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull bugling, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull and cows, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) scat, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull bugling, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bulls fighting, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) wallow, western Alberta, Canada
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull bugling, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull bugling, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) calf rubbing mature bulls' rub, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) rubs from bull on spruce tree, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) rubs from bull on spruce tree, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull flehming, western Montana
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Donald M. Jones / American Elk (Cervus elaphus nelsoni) bull at forest edge, western Montana
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Donald M. Jones / Coyote (Canis latrans) feeding on American Elk (Cervus elaphus nelsoni) carcass, western Montana
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Donald M. Jones / Coyote (Canis latrans) group feeding on American Elk (Cervus elaphus nelsoni) carcass, western Montana
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Donald M. Jones / Coyote (Canis latrans) feeding on American Elk (Cervus elaphus nelsoni) carcass, western Montana
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Donald M. Jones / Coyote (Canis latrans) feeding on American Elk (Cervus elaphus nelsoni) carcass, western Montana
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Yva Momatiuk & John Eastcott / American Elk (Cervus elaphus nelsoni) bull near tourists, Yellowstone National Park, Wyoming
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Michael Durham / American Elk (Cervus elaphus nelsoni) male newborn calf less than 24 hours old Newborn calves like this one will lay still and do their best to hide when a threat is perceived, Sled Springs Elk Study...
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Michael Durham / American Elk (Cervus elaphus nelsoni) two day old calf is outfitted with a radio collar by biologist Scott Findholdt with the Oregon Department of Fish and Wildlife, Sled Springs Study Area, northeast...
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Michael Durham / American Elk (Cervus elaphus nelsoni) male newborn calf less than 24 hours old Newborn calves like this one will lay still and do their best to hide when a threat is perceived, Sled Springs Elk Study...
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Rolf Nussbaumer / RF- Elk (Cervus elaphus) bull in rut crossing river while calling / bugling. Yellowstone National Park, Wyoming, USA. (This image may be licensed either as rights managed or royalty free.)
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TOM MANGELSEN / American Elk (Cervus elaphus) Yellowstone NP Wyoming, USA.
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TOM MANGELSEN / American Elk (Cervus elaphus) Mammoth area. Yellowstone NP, Wyoming, USA.
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TOM MANGELSEN / American Elk herd in snow. (Cervus elaphus) National Elk Refuge, Jackson, Wyoming, USA.
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TOM MANGELSEN / American Elk herd in snow (Cervus elaphus) National Elk Refuge. Jackson, Wyoming, USA.
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TOM MANGELSEN / (American Elk (Cervus elaphus) Yellowstone NP Wyoming, USA.
