dromedary wiki:
edary, or Arabian Camel (Camelus dromedarius), is a large even-toed ungulate native to northern Africa and western Asia, and the best-known member of the camel family. The dromedary has one hump on its back, in contrast to the Bactrian Camel which has two.Originally native to northern Africa and western Asia, Dromedaries were first domesticated in central or southern Arabia some thousands of years ago. Experts are divided as to the date: some believe it was around 4000 BC, others as recently as 1400 BC. At present there are almost 13 million domesticated Dromedaries, mostly in the area from India to northern Africa. None survive in the wild, although there is an escaped feral population of about 700,000 in Australia.[1]
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