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Pink-eared Ducks (Malacorhynchus membranaceus), Cooper Creek. Photo: M Turner

Birds on Mulligan River. Photo: A Emmott

At 1.2 million square kilometres, the Lake Eyre Basin covers almost one-sixth of Australia and is one of the world's largest internally draining river systems. The Basin includes large parts of South Australia, the Northern Territory and Queensland, as well as a small part of western New South Wales. The area supports a range of nationally important natural, social and economic values and about 60,000 people live and work in the Basin.