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

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

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

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

Richard Du Toit / Burchell's Zebra (Equus burchellii) mother and foal, Rietvlei Nature Reserve, South Africa

Richard Du Toit / Burchell's Zebra (Equus burchellii) foals, Rietvlei Nature Reserve, South Africa

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

Wim van den Heever / Plains zebra (Equus quagga) group of four including foal at sunset, Savuti Marsh, Botswana.

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

Sean Crane / Zebra (Equus quagga) mother and foal near rainbow, Ol Pejeta Conservancy, Laikipia, Kenya

Richard Du Toit / Burchell's Zebra (Equus burchellii) mother and foal in tall grass, Rietvlei Nature Reserve, South Africa

Ashish & Shanthi Chandola / Plains zebra (Equus quagga) grooming foal, Kruger National Park, South Africa, July.