Randall K. Roberts

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  • A Rocky Mountain Big Horn sheep ewe stands on a rock for a better view of her surroundings in Rocky Mountain National Park, Colorado. (Ovis canadensis)
    Big horn sheep ewe on rock F.tif
  • A road sign warns motorists of big horn sheep crossing the highway in Banff National Park, Alberta, Canada.
    Ram crossing sign.tif
  • Bighorn ram, Jasper National Park, Alberta Canada
    Big horn sheep ram, Jasper National ..nada
  • A bighorn ram takes an afternoon nap in northern Yellowstone National Park, Wyoming
    Big horn ram Yellowstone.jpg
  • Bison bulls head butt during fall mating season, Grand Teton National Park, WY
    Bison bulls fight in Tetons.jpg
  • Cow skulls for sale at roadside stand, Taos, New Mexico
    Cow skulls for sale, Taos, New Mexico
  • Mountain goat (Oreamnos americanus)  on rocky slopes near the summit of Mt. Evans, Colorado
    Mountain goat autumn Mt Evans.tif
  • Mountain goat (oreamnos americanus) perches on rock near summit of Mount Evans, Colorado
    goat perch.jpg
  • A herd of mountain goats (Oreamnos Americanus) make its way across rocky terrain near the summit of Mount Evans, Colorado. The goats are shedding their winter fur.
    Mountain goat herd Mt Evans Colorado...tif
  • Mountain goat near summit of Mt. Evans, Colorado
    Mountain goat, Mt. Evans Colorado
  • Rocky Mountain Bighorn ram, Yellowstone National Park, Wyoming
    Bighorn Ram stare.jpg
  • Two pronghorn antelope bucks (Antilocapra americana), spar in the evening sun in the Lamar Valley of Yellowstone National Park, Wyoming.
    PronghornBucksSparT.jpg
  • Two pronghorn antelope bucks (Antilocapra americana), spar in the evening sun in the Lamar Valley of Yellowstone National Park, Wyoming.
    PronghornBucksSpar.jpg
  • Bison bull calls out during autumn mating season, Grand Teton National Park, Wyoming
    Bison bull calls.jpg
  • Pronghorn antelope (Antilocapra americana) move across the desert terrain near Rangely, Colorado.
    Pronghorn antelope near Meeker Color...tif
  • Painted cow skull, New Mexico
    Flag painted cow skull, New Mexico
  • Mountain goat and kid, near Summit Lake, Mt. Evans, Colorado.
    Mountain goat and kid, near Summit L..ado.
  • A bighorn sheep ram (Ovis canadensis), strikes a pose near Sheep Lakes in Rocky Mountain National Park, Colorado
    Ram strikes pose.jpg
  • A bison bull looks up from his grassy feast in a field near Flagg Ranch near Grand Teton National Park, Wyoming.
    Bison Bull glares at tourists, south..ming
  • A bighorn sheep ram (Ovis canadensis) surveys his turf near the Lamar Valley, Yellowstone National Park, Wyoming.
    A bighorn sheep ram (Ovis canadensis..ing.
  • Three Rocky Mountain bighorn sheep rams enjoy spring weatheron a hillside in Yellowstone National Park, Montana
    RamsBoysClub.jpg
  • A mountain goat billy (Oreamnos Americanus) in green grass, Glacier National Park, Montana
    Mountain Goat Billy Glacier National...tif
  • Dried red chile ristras surround a cow skull at a roadside stand in Northern New Mexico.
    Red chiles and cow skull at roadside..xico
  • Mountain Goats, Mt. Evans, Colorado
    Mountain Goats, Mt. Evans, Colorado
  • Bull elk bugles during fall rutting season, Rocky Mountain National Park, Colorado
    Bull elk bugles during mating season..rado
  • Mountain goat (Oreamnos americanus)  balances on a rock near the summit of Mt. Evans, Colorado
    Mountain goat balancing on rock.tif
  • Mountain goat mom and kids, Mt. Evans, Colorado.  Oreamnos americanus
    Mountain goat mom and kids, Mt. Evan..rado
  • A pronghorn antelope buck (Antilocapra americana), basks in the evening sun in the Lamar Valley of Yellowstone National Park, Wyoming.
    Pronghorn portrait.jpg
  • A group of bighorn rams, (Ovis canadensis) waits to cross the road near Sheep Lakes in Rocky <br />
Mountain National Park, Colorado
    Ram trio.jpg
  • A bull elk (Cervus elaphus) surveys his territory in Rocky Mountain National Park, Colorado
    A bull elk searches for cows to add ..rado
  • Great Horned owlets peer from a nest in Albuquerque, New Mexico
    Owl eyes
  • Two great horned owlets survey the world after venturing out of their nest in a crevice in a large, old cottonwood tree in Corrales, New Mexico.
    Two great horned owlets survey their...jpg
  • Two great horned owlets survey their world after venturing out of their nest in a crevice in a large, old cottonwood tree in Corrales, New Mexico.
    Two great horned owlets near nest-fi...jpg
  • Two great horned owlets peer out of next in a cavity of a large cottonwood tree, Corrales, New Mexico.
    Two owlets peer from tree nest
  • Great Horned owlets peer from a nest in Albuquerque, New Mexico
    Two great horned owlets