Camels were first introduced to Australia during the 19th century and used as transport for exploration and to assist construction of rail and telegraph lines. Tens of thousands were released in the 1930s when vehicle transport became more common and the wild population had soared to an estimated half a million by 2004. "Over 100,000 feral camels have been removed from the Australian landscape through the project and the current rate of feral camel removal is around 75,000 per year, which...