Kristel Richard / Wild / feral Dulmen ponies (Equus caballus) herd of mares and foals running on the Duke of Croy's estate, Meerfelder Bruch, North Rhine-Westphalia, Germany, May 2011

Kristel Richard / Wild / feral Dulmen ponies (Equus caballus), two mares on the Duke of Croy's estate, Meerfelder Bruch, North Rhine-Westphalia, Germany, May 2011

Kristel Richard / Silhouette of two traditionally dressed Indian riders, mounted on Kathiawari mares, backlit at sunset, in Gujarat, India, January 2011, Model released

Kristel Richard / Three chestnut Quarter mares running in open field, Morocco, June 2010

Kristel Richard / Head portrait of a Classic pony stallion (Equus caballus) and one of his mares, in Auvergne, France.

Kristel Richard / A wild Misaki-uma breeding stallion (right) brings back one of his mares to his band while another breeding stallion (left) charges him away, in the Cape Toi Reserve, Miyazaki Prefecture, Kyushu Islan...

Wild Wonders of Europe / Hamblin / Konik horses, mares and a stallion encouraging young foal to stand up, Oostvaardersplassen, Netherlands, June 2009

Carol Walker / Wild horses / Mustangs, band with dun filly drinking in waterhole, Pryor Mountains, Montana, USA

Mike Wilkes / Exmoor ponies, mares and foals, grazing {Equus caballus} July, England, UK

Carol Walker / Mustang / Wild horse mare with colt, Montana, USA. Pryor mountains HMA

Carol Walker / Mustang / Wild horse - mares + stallion in snow storm, Wyoming, USA. Adobe Town HMA

Juan Carlos Munoz / Sorraia horses, adult and two foals standing in meadow. Middle Coa, Coa Valley, Western Iberia, Portugal. April 2016.