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 / 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
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 / 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 / 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
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) mare sleeping while standing, winter, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) stallion and mare sleeping while standing, summer season, Pryor Mountain Wild Horse Range, Montana
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Yva Momatiuk & John Eastcott / Mustang (Equus caballus) pair of young fillies resting in summer grass, Pryor Mountain Wild Horse Range, Montana
Yva Momatiuk & John Eastcott / Mustang (Equus caballus) palomino stallion coated in red mud to protect from insects and heat, 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