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Range DescriptionBurhinus grallarius has been recorded from all but the most arid parts of mainland Australia, and many offshore islands. A tiny breeding population is also found in southern New Guinea (Papua, formerly Irian Jaya, Indonesia, and Papua New Guinea). In Australia, it is now largely absent south and east of the Great Dividing Range, and is scarce elsewhere in southern Australia. Historic declines led to its disappearance from 90% of its mainland range in South Australia (D. Harley in litt. 2006), however it remains common in northern Australia and on many continental islands, even within towns (S. Garnett in litt. 2006, 2011), although it has declined in southern Queensland. The total Australian population has been estimated at 15,000 individuals (Watkins 1993), and in 2010 the total population was estimated to almost certainly exceed 10,000 mature individuals (S. Garnett. in litt. 2011).