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Observations on the diet of the Topknot Pigeon Lopholaimus antarcticus in the Illawarra Rainforest, New South Wales

Category: Issue 2
Author(s): Waterhouse
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Observations were made on the feeding behaviour of Topknot Pigeons Lophalaimus antarcticus from March 1988 to December 1992 near Mt Keira, Wollongong, New South Wales. The species of plants that contributed fruit to the diet were recorded for each month of the year. The seasonality, quantity and duration of fruiting by food species varied considerably […]

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The influence of turbid waters on waterbird numbers and diversity: a comparison of lakes Yumberarra and Karatta, Currawinya National Park, south-west Queensland

Category: Issue 2
Author(s): Andrew McDougall and Brian Timms
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Lakes Yumberarra and Karatta are two nearby intermittent lakes associated with the Paroo River, that differ in many respects. Yumberarra supports 53 species of waterbirds with numbers up to 11,500 at any one time, but Karatta has only 23 species with a maximum of 100 individuals seen at one time. While Karatta is one-third the […]

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A comparison of two census methods for birds in a south-western Australian heathland

Category: Issue 1
Author(s): Saffer
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An instantaneous point method (Pyke 1983) and mist-netting were used to census birds simultaneously on 19 field trips over three years in dense heathland at one site on the south coast of Western Australia. Of the 29 bird species recorded, eight were never netted and six were never sighted. Mist netting appears to over-represent small […]

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Notes on the sixth specimen record of the Three-toed Swiftlet Aerodramus papuensis in Papua New Guinea

Category: Issue 1
Author(s): Steven Hamilton, John Erico and Michael Tarburton
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The Three-toed Swiftlet Aerodramus papuensis Rand is a poorly known and enigmatic member of the Family Apodidae. There are four uniformly dark swiftlets in New Guinea and they are impossible to separate in the field. In the hand however, the Three-roed Swiftlet can be readily separated by the number of toes and the absence of […]

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Surveys of the Barking Owl and Masked Owl on the north-west slopes of New South Wales

Category: Issue 1
Author(s): Debus
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Field surveys of the Barking Owl Ninox connivens and Masked Owl Tyto novaehollandiae were conducted at 49 sites (110 survey points) on the North-west Slopes and adjoining western parts of the Northern Tablelands of New South Wales, to investigate their status in remnant vegetation on public and private land. The surveys were conducted over three […]

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Further changes to the breeding seabirds of Lancelin Island, Western Australia

Category: Issue 1
Author(s): Dunlop and Mitchell
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A new colony of Common Noddies Anous stolidus on Lancelin Island increased rapidly from the nucleus of five nesting pairs first detected in January 1992. The growth in the number of breeding pairs was exponential between the 1994/95 and 1997/98 seasons, slowing to a 30 percent increase in 1998/99. However in 1999/00 the number of […]

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