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Long-term Indices of Density of Ten Woodland Passerines at Eyre Bird Observatory

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Category: Issue 1

Author(s): Davies

Between 1980 and 2008 surveys of the birds in the vicinity of Eyre Bird Observatory (32º15’S; 126º18’E), in Western Australia have been made almost annually, using a point count method and a mapping method. The results have provided indices of the populations of seven resident, territorial species and three nomadic honeyeaters. Five of the resident […]


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The distribution of the Black-necked Stork Ephippiorhynchus asiaticus australis in New South Wales since 1790

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Category: Issue 1

Author(s): Greg Clancy

Information is presented on the locations where Black-necked Storks Ephippiorhynchus asiaticus australis have been observed in New South Wales since 1790, utilising records from: published data, museums, bird atlases and personal communications. The distribution in New South Wales has not changed significantly since 1790. Its breeding distribution is restricted to the coastal plains from the […]


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Calling Behaviour of the Southern Boobook Ninox novaeseelandiae in relation to distance from their nest trees

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Category: Issue 1

Author(s): Jerry Olsen, Susan Trost, David Judge

Between 1996 and 1999 we measured the distance from the nest that four Southern Boobooks called using ‘territorial boobook’ and ‘bray’ calls, the latter used only by females. Median distances from the nest tree that they used ‘territorial boobook’ calls were 175 metres and 250 metres for two females, 210 metres and 525 metres for […]


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Annual Survival Rates of Bower-owning Male Great Bowerbirds Ptilonorhynchus nuchalis in Townsville, Queensland

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Category: Issue 1

Author(s): Natalie Doerr

This study documents the annual survival rate of bower-owning male Great Bowerbirds Ptilonorhynchus nuchalis in Townsville, Queensland. The mean survival rate of bower-owning males was 84 per cent from 2003 to 2007. The estimate of survival is slightly lower than that recorded for bower-owning males of three other species (range: 90 – 93%). Lower estimates […]


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Trapping methods for Tropical Waterfowl

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Category: Issue 1

Author(s): Lochran Traill, Warren White, James Smith

Methods typically used to catch small- to large-sized waterbirds in tropical Australia are outlined. Detail is provided on a number of commonly used techniques, including licensing requirements, required levels of expertise, logistical support and general costs. Further, a case study of two capture methods (cannon-netting and cage-traps) used to secure waterbirds in Kakadu National Park, […]


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