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The wallum sedge frog (''Litoria olongburensis''), also known as the Olongburra frog or the sharp-snouted reed frog, is endemic to Australia. Varying in color from brown to dark green it inhabits the thick and often acidic marshes of the Wallum along the coast of Queensland and New South Wales. Mating season comes in early spring, often after heavy rainfalls. Females attach their eggs to grasses and sedges. Their call is high pitched and follows a "creeeek... crik" pattern. Its natural habitats are subtropical or tropical swamps, wallum swamps, freshwater lakes, intermittent freshwater lakes, freshwater marshes, and intermittent freshwater marshes. The species is considered vulnerable with there being about 10,000–50,000 such frogs in the wild. Despite conservation efforts, the population continues to decrease. Loss of habitat, invasive plants, and disease (most notably chytrid fungus) are contributing to the loss of population. == References == * * Hines, H., Newell, D., Meyer, E., Hero, J.-M. & Clarke, J. 2004. (Litoria olongburensis ). (2006 IUCN Red List of Threatened Species. ) Downloaded on 21 July 2007. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「wallum sedge frog」の詳細全文を読む スポンサード リンク
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