Philippe Clement / Poitou donkey (Equus africanus asinus) with shaggy coat on the island Ile de Re, Charente-Maritime, France

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

Ernie Janes / Domestic donkey (Equus asinus) looking over fence, Norfolk, UK

John Cancalosi / Feral Burro / Donkey foal (Equus asinus) head portrait lying in long grass, Custer State Park, South Dakota, USA

John Cancalosi / Feral Burro / Donkey (Equus asinus) female and foal, portrait standing in long grass, Custer State Park, South Dakota, USA

Juan Manuel Borrero / Mule - offspring of male donkey and female horse - Spain

Francisco Marquez / Child eating ice lolly with donkeys standing behind, City of Harar. Ethiopia. February 2008.

David Fleetham / Two wild donkeys (Equus asinus) on the island of Bonaire, Netherlands Antilles, Caribbean.

Rhonda Klevansky / Young man wearing traditional blanket on donkey, Semonkong Lodge, Lesotho, August 2017

Loic Poidevin / Man leading donkey pulling a cart, Burkina Fasso, December 2017.

Jabruson / Ouled Rachid tribeswoman with domestic donkeys , Kashkasha village near Zakouma National Park, Chad, 2010.

Jabruson / Ouled Rachid tribeswoman with domestic donkeys , Kashkasha village near Zakouma National Park, Chad, 2010.