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

Jack Dykinga / Feral donkies (Equus asinus) surviving along the lower Colorado River drainage. Periodic attempts to control their numbers have had mixed success. Cibola National Wildlife Refuge, Arizona, USA.

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

Kristel Richard / Two critically endangered Somali wild asses (Equus africanus somaliensis) standing alert, captive.

Kristel Richard / Portrait of a critically endangered Somali wild ass (Equus africanus somaliensis) standing alert, captive.

Kristel Richard / Critically endangered Somali wild ass scratching, captive.

Jeff Foott / Donkey (Equus asinus) group, Death Valley National Park, California

Jeff Foott / Donkey (Equus asinus) pair, Death Valley National Park, California