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

Richard Du Toit / Burchell's Zebra (Equus burchellii) parents tending to foal, Rietvlei Nature Reserve, South Africa

Kristel Richard / Wild Mongolian mare and her foal trotting, plains at the foot of Dungurukh Uul mountain, near the border with China and Kazakhstan, Bayan-Olgiy aymag, Mongolia. September.

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

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

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) close up of 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) close up of 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) 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

Ross Hoddinott / 2020VISION / Exmoor pony and foal {Equus caballus}, released at Westhay (Somerset Wildlife Trust) Nature Reserve, for conservation grazing, Somerset Levels, Somerset, UK. June 2011. Did you know? Conservation graz...

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