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Olive-backed Oriole – age indicator notes.

Category: Issue 3
Author(s): Robertson
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Details of plumage changes of Olive-backed Orioles Oriolus sagittatus are given.  The data are taken mainly from specimens obtained from the Queensland Museum.  An examination of the literature is made in an attempt to clarify ageing.

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Notes on Wedge-tailed Eagle behaviour.

Category: Issue 3
Author(s): Stephen Debus
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Observations on the behaviour of Wedge-tailed Eagles Aquila audax involving lambs are detailed for two separate cases at different locations in New South Wales.  Notes on display and piracy are also included.

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An estimation of the population density of Shearwaters breeding on Broughton Island, New South Wales.

Category: Issue 3
Author(s): Van Gessell
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The density of breeding burrows in shearwater colonies on Broughton Island is assessed.  The field census methods used are described and estimates of burrow densities are given.

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Some results from banding Japanese Snipe near Sydney, New South Wales.

Category: Issue 3
Author(s): Lane
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From November 1971 to 4 March 1978, 114 Japanese Snipe Gallinago hardwickii were banded in eight locations in the Sydney district during 27 banding outings.  Eight banders and numerous assistants participated.  Netting problems are outlined; measurements, weights and details of recoveries are given.

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