Morley Read / Aerial shot of a group of wild ponies (Equus caballus) in paramo landscape at the base of Cotopaxi Volcano, Ecuadorian Andes, 2018. (non-ex)

Nick Upton / Feral horse (Equus caballus) walking on a remote sandy beach, near Arta, Mallorca, Spain, August.

Ben Gillett / Slow motion clip of a female Appaloosa horse grooming a male, Bristol, England, UK, May.

Jack Dykinga / Gaucho herding horses on the shoreline of Lago Almarga in the morning light, with Torres del Paine mountains in background under stormy skies. Patagonia, Chile.

Francisco Marquez / Round up of wild mares and foals from marshland to the corrals of the town. Donana National Park, Spain. September 2014.

Yva Momatiuk & John Eastcott / Mustang (Equus caballus) mother and foal, Oshoto, Wyoming

Yva Momatiuk & John Eastcott / Mustang (Equus caballus) mother and foal, Oshoto, Wyoming

Phil Savoie / Point-to-Point horse racing, low angle view of racehorses jumping fence, Monmouthshire, Wales, UK. March 2014.

Phil Savoie / Point-to-Point horse racing, low angle view of racehorses jumping fence, Monmouthshire, Wales, UK. March 2014.

Phil Savoie / Point-to-Point horse racing, low angle view of racehorse jumping fence, Monmouthshire, Wales, UK. March 2014.

Cyril Ruoso / Feral Horses (Equus caballus) gathering around waterhole, Namib-Naukluft National Park, Namibia.

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.

Niall Benvie / Icelandic horse foal near Stokkness, Iceland, September.

Niall Benvie / Young Icelandic horse near Stokkness, Iceland, March.

Kristel Richard / Two cowboys mounted on a Pantaneiro stallion, round up a band of wild Pantaneiro horses, Pantanal, Mato Grosso do Sul, Brazil. August 2015.

Jeff Vanuga / White horses of the Camargue galloping through marshes in the Camargue, France. April.

Jeff Vanuga / White horse of the Camargue galloping through marshes in the Camargue, France. April.

Jeff Vanuga / White horses of the Camargue galloping through marshes in the Camargue, France. April.

Aflo / Horse walking through heavy snowfall, Shimokita Peninsula, Hokkaido, Japan.

Suzi Eszterhas / Domestic Horse (Equus caballus) mother and foal running, Sonoma County, California

Kristel Richard / Headshot of two rare black Kladruber stallions, harnessed for driving, at the Great Riding festival, in Slatinany national stud, Pardubice Region, Czech Republic. June 2015.

Cyril Ruoso / Icelandic horses, group of three interacting, Iceland, August. Non-ex

Kristel Richard / Eagle hunter mounted on Mongolian horse with his female Golden eagle (Aquila chrysaetos) at Eagle Hunters Festival, near Sagsai, Bayan-Ulgii Aymag, Mongolia. September 2014..

Kristel Richard / Band of wild Mongolian horses running on plains at the foot of Dungurukh Uul mountain, near the border with China and Kazakhstan, Bayan-Olgiy aymag, Mongolia. September.

Terry Whittaker / Bay Icelandic horse trotting in the snow, Snaefellsnes Peninsula, Iceland, March.

Terry Whittaker / Portrait of Skewbald Icelandic horse in the snow, Snaefellsnes Peninsula, Iceland, March.

Yva Momatiuk & John Eastcott / Wild Horse (Equus caballus) stallions play fighting, Pryor Mountain Wild Horse Range, Montana

Jeff Vanuga / Grey Camargue horses, galloping through water in the Camargue, France, April.

Jeff Vanuga / Grey Camargue horses, galloping through water in the Camargue, France, April.

Jeff Vanuga / Guardian riding Camargue horse through water at sunrise, Camargue, Bouches du Rhone, France, May 2013.

Donald M. Jones / Wild Horse (Equus caballus) fighting stallions, Wyoming

Angelo Gandolfi / Pantanal cowboy / gaucho (Pantaneiros) driving cattle. Pantanal, Brazil, August 2010.

Kristel Richard / Portrait of a rare five-day old Posavina filly hidden by her mother's tail, Lonja, Croatia, August.

Tom Gilks / South Herefordshire Huntsman confronting a Hunt Saboteur, Herefordshire, UK

Philippe Clement / Forester dragging tree-trunks from forest with Belgian draft / draught horse (Equus caballus) Belgium. March 2013.

Kristel Richard / An Einsiedler / Swiss warmblood mare (Equus caballus) cantering, Schwyz, Switzerland, July.

Kristel Richard / Two Cambodian Pony stallions play fighting, rearing on back legs, Siem Reap, Cambodia. March 2013

Kristel Richard / A group of Pure Arab, Shagya Arab and East Bulgarian fillies running in snow, Kabiuk National Stud, Shumen, Bulgaria.

Kristel Richard / A group of Pure Arab, Shagya Arab and East Bulgarian fillies running in snow, Kabiuk National Stud, Shumen, Bulgaria.

Laurent Geslin / Close up of an eye of a Racing horse (Equus caballus) France

Laurent Geslin / Race horse (Equus caballus) with face mask to protect it from flies, France

Michel Poinsignon,Michel Poinsignon / Merens horse (Equus caballus) mare with resting foal, Pyrenees mountains, France, August.

Kristel Richard / An equine trainer, in the traditional white Gujarati clothes, walks a Kathiawari horse mare on her hindlegs without strain, Porbandar, Gujarat, India, December 2012. No release available.

Kristel Richard / A two-year old Kathiawari horse filly free jumping,Porbandar, Gujarat, India. Sequence 2 out out of 8.

Kristel Richard / Lady riding a black Menorquin stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. Tourists are trying t...

Kristel Richard / Portrait of a grey Andalusian stallion, in Ciutadella, Menorca, Spain.

Kristel Richard / Wild Chincoteague (Equus caballus) two breeding stallions greeting one another, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Peter Cairns / 2020VISION / Exmoor Ponies (Equus caballus) grazing at Seven Sisters Country Park, South Downs, England, November. Did you know? Some people believe that Exmoor ponies are related to the now extinct Tarpan horse o...

Kristel Richard / A herd of Retuerta mares trotting, Guadiamar scientific reserve, Donana National Park, Andalusia, Spain. This breed of horse was close to extinction in the 1990s with only 5 individuals left, but now...

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

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

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

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

Konrad Wothe / Camargue horses (Equus caballus) running in water at beach, Camargue, France, April

Kristel Richard / A traditionally dressed cowboy riding a Quarter mare, during the rodeo of the Festival de la Doma y el Folclore, Estancia Tacuaty, Misiones, Paraguay, January 2012. No release available.

Kristel Richard / Cowboys rounding up a band of Criollo pure pedigree mares and foals, Estancia Ita Maria, Misiones, Paraguay, January 2012

Kristel Richard / A band of semi-feral Quarter mares and foals running across a creek, Estancia Don Amerigo, Chaco, Paraguay, January 2012

Kristel Richard / A rare East Bulgarian stallion cantering at the Kabiuk National Stud, Shumen, Bulgaria, February 2012

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

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

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

Kristel Richard / A purebred Lusitano stallion galloping in the arena at the Companhia das Lezírias Stud Farm, Samora Correia, Santarém, Portugal, July 2011

Kristel Richard / A purebred Lusitano colt (with his mane and tail cut to mark his first year) trotting in the arena at the Companhia das Lezírias Stud Farm, Samora Correia, Santarém, Portugal, July 2011

Kristel Richard / During the Festa do Colete Encarnado (Red Waistcoat Festival), a bull running festival, a traditionally dressed 'cavalheiro' delivers the 'banderilla' mounted on his Lusitano stallion in the bullring...

Kristel Richard / Portrait of a traditionally dressed estancia owner mounted on his stallion, during the Festa do Colete Encarnado (Red Waistcoat Festival), a bull running festival, in Vila Franca de Xira, District of...