Abstract
Abstract. Glossy Ibis (Plegadis falcinellus) populations have declined over much of their global range over the past 30 years and in Australia numbers fell by almost 40% between 1977–1981 and 1998–2002. In Australia, loss of wetland area and quality in relation to river regulation for irrigated agriculture are the main suggested causes. The species' diet has been quantified in many areas, but there have been no detailed studies of its foraging habitat requirements upon which to base conservation measures. This study quantified foraging habitat selection at Fivebough Swamp, New South Wales, an internationally important feeding and roosting site for non-breeding Glossy Ibis. Typical of many floodplain wetlands in southeastern Australia, Fivebough Swamp is temporary, flooding during the wet season and drying during the hot summer. Glossy Ibis showed a strong preference for feeding in areas of water couch grass (Paspalum distichum) less than 10 cm tall interspersed among open water, and avoidance of areas dom...
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