Carol Walker / Andalusian horsea, two stallions coming together in arena one dappled grey and one pure white. Spain.

Carol Walker / Mustang herd standing in snow. Black Hills Wild Horse Sanctuary, South Dakota, USA. January 2017.

Carol Walker / RF - Knabstrupper stallion with leopard spotting colouration, running in pasture. Germany. May. (This image may be licensed either as rights managed or royalty free.)

Carol Walker / Two wild pinto Mustang stallions battle for dominance in Sand Wash Basin, Colorado, USA.

Carol Walker / Wild pinto Mustang mare and foal running in Sand Wash Basin, Colorado, USA.

Carol Walker / Head portrait of grey Arabian stallion running in desert dunes near Dubai, United Arab Emirates.

Carol Walker / Two wild Mustang stallions fighting in the White Mountain Herd Area, Wyoming, USA. August.

Carol Walker / Two white Camargue horses in ocean of Camargue, France, Europe. May.

Carol Walker / Wild Mustang horse rearing, Pryor mountains, Montana, USA. June.

Carol Walker / Andulasian bay stallion running in snow storm, Longmont, Colorado, USA

Carol Walker / Herd of horses on ranch, Jackson Hole, Wyoming, USA

Carol Walker / Horses on ranch, two greys with mountains in background, Jackson Hole, Wyoming, USA

Carol Walker / Friesian horse, black stallion running in field, Livingston, Montana, USA

Carol Walker / Girl stroking donkey (Equus asinus) New Mexico, USA, September 2011, model released

Carol Walker / Lusitano horse, bull fighter mounted on grey stallion, in this type of bull fighting neither horse nor bull are injured, Portugal, May 2011, model released

Carol Walker / Lusitano horse, grey stallion trotting, Portugal

Carol Walker / Lusitano horse, grey stallion trotting, Portugal

Carol Walker / Lusitano horse, dun stallion pawing the ground, Portugal, May 2011

Carol Walker / Lusitano horse, man training stallion in dressage steps, the high leap, Royal Riding School, Lisbon, Portugal, May 2011, model released

Carol Walker / Lusitano horse, man training stallion in dressage steps, standing up on hind legs and then jumping in the air, Royal Riding School, Lisbon, Portugal, May 2011, model released

Carol Walker / Lusitano horse, man training stallion in dressage steps, the high leap, Royal Riding School, Lisbon, Portugal, May 2011. No release available.

Carol Walker / Cowboy galloping through snow, wearing thick sheepskin coat, Wyoming, USA, February 2012, model released

Carol Walker / White horse of the Camargue, foal with its brown baby coat, Camargue, Southern France

Carol Walker / Two white horses of the Camargue, interacting, greeting head to head in marshes, Camargue, Southern France

Carol Walker / White horses of the Camargue with guardian, Camargue, Southern France. No release available.

Carol Walker / Two white horses of the Camargue, running through the sea, Camargue, Southern France

Carol Walker / White horses of the Camargue, herd running through water, Camargue, Southern France

Carol Walker / Two white horses of the Camargue, head to head at water, Camargue, Southern France

Carol Walker / Wild horse / Mustang, foal, portrait, Pryor mountains, Montana, USA

Carol Walker / Black Friesian stallion, head neck portrait, Ojai, California, USA

Carol Walker / Arabian stallion, chestnut, portrait, Ojai, California, USA

Carol Walker / Andalusian stallion running out of the sea on beach, Ojai, California, USA

Carol Walker / Wild horses / Mustangs, two stallions play fighting, Pryor Mountains, Montana, USA, July 2010

Carol Walker / Horse in snow storm with shed in background, USA

Carol Walker / Wild Horse / Mustang shaking head and mane, Adobe Town Herd Area, southwestern Wyoming, USA, WINNER OF WILD HORSE SECTION, EQUINE IDEAL PHOTOGRAPHY CONTEST 2012

Carol Walker / Trainer Rich Scott with Cremosso, a young male cremello Wild horse / mustang that had been rounded up from a McCullough Peak herd and put up for adoption, trainer teaching it to be led in paddock, Jul...

Carol Walker / Claro and Cremesso, two third year male cremello Wild horse / mustang colts that had been rounded up from the McCullough Peak herd, Wyoming, and put up for adoption, on their new ranch in Colorado, US...

Carol Walker / Mustang / wild horses, second year cremello colt Claro play fighting with bay, McCullough Peak herd, Wyoming, USA, July 2009

Carol Walker / Mustang / wild horses, two yearling cremello colts Claro and Cremesso playing with a bay, McCullough Peak herd, Wyoming, USA, June 2008

Carol Walker / Mustang / wild horse, cremello colt foal Cremesso interacting with yearling filly, McCullough Peak herd, Wyoming, USA, August 2007

Carol Walker / Mustang / wild horse, yearling cremello colt Claro in thick winter coat, stretching, McCullough Peak herd, Wyoming, USA, February 2008

Carol Walker / Mustang / wild horses, second year cremello colt Cremesso, reacting to black colt, McCullough Peak herd, Wyoming, USA, June 2009

Carol Walker / Mustang / wild horses, cremello colt foal Cremesso with grazing mare, McCullough Peak herd, Wyoming, USA, June 2007

Carol Walker / Mustang / Wild horses, mare with foal Mica, Adobe Town herd, Wyoming, USA, October 2010, grey foal went on to be adopted by photographer

Carol Walker / Mustang / Wild horses, young horse running with foal Mica, Adobe Town herd, Wyoming, USA, October 2010, grey foal went on to be adopted by photographer

Carol Walker / Chestnut arabian stallion running, California, USA

Carol Walker / Grey Andalusian / Spanish stallion running, California, USA

Carol Walker / Grey Andalusian / Spanish stallion running, California, USA