Jeff Vanuga / Wild Horses (Equus caballus) grazing in evening light. Pryor Mountain, border of Montana and Wyoming, USA, June.
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Charlie Summers / Two Mustang (Equus caballus) stallions, a strawberry roan on the left and a black on the right, rearing and fighting for dominance, Pryor Mountain Range of Montana, USA
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Yva Momatiuk & John Eastcott / Cumulus clouds above the open range, Pryor Mountain, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) palomino yearling filly and her spring foal brother grooming each other, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Common Sunflower (Helianthus annuus) flowers and Large-leaved Lupine (Lupinus polyphyllus) in summer, Pryor Mountain, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) young bachelor stallions sniffing each other, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) bachelor palomino stallion prancing along ridge on summer range, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) family band grazing under evening sky, Pryor Mountain Wild Horse Range, Montana
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Donald M. Jones / Wild Horse (Equus caballus) herd with foal, Pryor Mountain Wild Horse Range, Montana
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Donald M. Jones / Wild Horse (Equus caballus) mare with foal, Pryor Mountain Wild Horse Range, Montana
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Donald M. Jones / Wild Horse (Equus caballus) pair, Pryor Mountain Wild Horse Range, Montana
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Donald M. Jones / Wild Horse (Equus caballus) in desert, Pryor Mountain Wild Horse Range, Montana
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Donald M. Jones / Wild Horse (Equus caballus) pair greeting, Pryor Mountain Wild Horse Range, Montana
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Donald M. Jones / Wild Horse (Equus caballus), Pryor Mountain Wild Horse Range, Montana
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Donald M. Jones / Wild Horse (Equus caballus) mare with foal, Pryor Mountain Wild Horse Range, Montana
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Donald M. Jones / Wild Horse (Equus caballus) mare with foal, Pryor Mountain Wild Horse Range, Montana
Charlie Summers / Mustang (Equus caballus) stallion rolling in a waterhole at the foot of a snowbank. Pryor Mountain Range, Montana, USA
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Charlie Summers / Mustang (Equus caballus) Stallion rolling in a waterhole at the foot of a snowbank. Pryor Mountain Range, Montana, USA
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Charlie Summers / Wild Horses (Equus ferus caballus) dominance fight in high mountain meadow. Pryor Mountains of Montana, USA
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LYNN M. STONE / Wild horse / Mustang (Equus caballus) stallion sleeping in mountain meadow among shooting-star flowers, Pryor Mountains, Wyoming / Montana border, USA
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LYNN M. STONE / Wild grey Horse stallion (left) touching muzzles with black wild horse mare, Pryor Mountain National Wild Horse Reserve, Wyoming, USA
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) stallion and mare, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) pair drinking at waterhole, Pryor Mountain Wild Horse Range, Montana
Yva Momatiuk & John Eastcott / Mustang (Equus caballus) nursing of three generations with new foal being nursed by her mother, and she by her mother, a rare behavior, Pryor Mountain National Wild Horse Range, Montana
Yva Momatiuk & John Eastcott / Mustang (Equus caballus) mare, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) on ridge at sunset against heavy clouds, late summer, Pryor Mountain Wild Horse Range, Wyoming
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Yva Momatiuk & John Eastcott / Mountain Bluebird (Sialia currucoides) male perched on dry stalk looking for insects, Pryor Mountain, Montana
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Yva Momatiuk & John Eastcott / Clark's Nutcracker (Nucifraga columbiana) perching on snag at waterhole, summer, Pryor Mountain, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) family band loafing in the sun, alpine meadow, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) small family band near mineral lick, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) family band forms solid unit during summer breeding season, Pryor Mountain Wild Horse Range, Montana
Yva Momatiuk & John Eastcott / Common Sunflower (Helianthus annuus) flowers and Large-leaved Lupine (Lupinus polyphyllus) in summer, Pryor Mountain, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) young bachelor stallions play-fight to gain skills they need to win and keep mares, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) young bachelor stallions play-fight to gain skills they need to win and keep mares, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) young black stallion postures with foreleg raised to challenge another stud, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) young bachelor stallions grooming each other, Pryor Mountain Wild Horse Range, Montana
Yva Momatiuk & John Eastcott / Mustang (Equus caballus) stallion protectively huddles with his foal, winter, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) family band grazing on summer range under evening sky, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) spring foal resting in summer grass, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) mare with her yearling foal, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) spring foal resting in summer grass, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) spring foal resting in grass, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) portrait of spring foal in open range, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) young palomino filly resting in summer grass, Pryor Mountain Wild Horse Range, Montana
Yva Momatiuk & John Eastcott / Mustang (Equus caballus) foal sleeping while standing, Pryor Mountain National Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) portrait of young palomino mare sleeping while standing, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) portrait of young palomino mare sleeping while standing, Pryor Mountain Wild Horse Range, Montana
