Local and regional movements of the Australian white ibis threskiornis molucca in eastern Australia (original) (raw)

Little is known about the movements of Australian birds. Information is particularly scarce on large, aquatic birds, which are usually diffi cult to access and handle. Their movements are also often complex, and therefore diffi cult to identify. Here we present data on the local and long distance movements of the Australian White Ibis Threskiornis molucca, a highly mobile bird, which as many other waterbirds, continues to decline in its traditional ranges in inland Australia. At the same time it has invaded coastal urban environments, where its high abundances cause many problems and require management. Our analysis of past and present banding studies reveals that Australian White Ibis travel throughout the urban environment and visit landfi lls, where they forage in large numbers. They also conduct long distance movements, which lead birds from breeding sites in south-eastern Australia along the eastern coast to regions further north (Queensland and Papua New Guinea). Young birds r...

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