Ernie Janes / Dromedary Camel (Camelus dromedarius) on Erg Chebbi Dunes. Sahara Desert, Morocco, North Africa, March 2011.

Ernie Janes / Dromedary Camel (Camelus dromedarius) in the Erg Chebbi Dunes. Sahara Desert, Morocco, North Africa, March 2011.

Richard Du Toit / Aerial view of herd of Dromedary camels (Camelus dromedarius) with long shadows, northern Kenya

Angelo Gandolfi / Cattle egret (Bubulcus ibis) on back of Dromedary camel (Camelus dromedarius), Morocco.

Angelo Gandolfi / Cattle egret (Bubulcus ibis) on back of Dromedary camel (Camelus dromedarius), Morocco.

Angelo Gandolfi / Dromedary camel (Camelus dromedarius) train crossing Merzouga dunes, Tafilalt, Sahara, Morocco, March 2007.

Angelo Gandolfi / Cattle egret (Bubulcus ibis) on head of Dromedary camel (Camelus dromedarius), Morocco.

Hanne & Jens Eriksen / Dromedary camels (Camelus dromedarius) amongst sand dunes. Liwa, United Arab Emirates.

Hanne & Jens Eriksen / Dromedary / Arabian camel {Camelus dromedarius} in sand desert, close-up of head, Liwa, United Arab Emirates, UAE

Richard Du Toit / Aerial view of Turkana Dromedary camels {Camelus dromedarius} crossing desert in evening sun with long shadows, Lake Logipi, Kenya

Norbert Wu / Dromedary (Camelus dromedarius) camel group resting, Sahara Desert, Aswan, Egypt

Gerry Ellis / Dromedary (Camelus dromedarius) camel mother with two day old baby, Oasis Dakhia, Sahara, Egypt