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The Short-tailed Shearwater: a review of its biology.

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Category: Issue 2

Author(s): Irynej Skira

The life history of the Short-tailed Shearwater Puffinus tenuirostris has been well documented since it first came to the attention of naturalists. Approximately 23 million birds breed in about 250 colonies in southeastern Australia from September to April. The Short-tailed Shearwater commences to breed when 4 to 15 years. During their completed lifetimes 27 per […]


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Kleptoparasitic Silver Gulls Larus novaehollandiae on the northern Great barrier Reef Queensland.

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Category: Issue 2

Author(s): Geoffrey Smith

Low frequencies of prey stealing behaviour were exhibited by Silver Gulls in Black-naped Tern and Crested Tern colonies on a tropical sand cay on the northern Great Barrier Reef, Queensland. Egg predation by Silver Gulls in Black-naped Tern colonies was lower at this site compared with a southern Great Barrier Reef locality. Chick mortality attributed […]


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Preliminary investigations into the morphology of the Crested Tern Sterna bergii in south-east Tasmania.

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Category: Issue 2

Author(s): Eric Woehler, William Wakefield and Margaret Wakefield

Hierarchical cluster analysis of morphological data (total head length, exposed culmen and tarsus) from 56 Crested Terns Sterna bergii from south-east Tasmania enabled the identification of an individual’s sex. Both total head length and exposed culmen can be used to differentiate the sexes as there is no overlap present. Tarsal lengths, due to a large […]


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The Roseate Tern Sterna dougallii gracilis breeding on the northern Great Barrier Reef Queensland.

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Category: Issue 2

Author(s): Geoffrey Smith

In the tropical environment on the northern Great Barrier Reef, Queensland, Roseate Terns Sterna dougallii laid eggs from November to January. The average clutch size was 1.6. This did not vary significantly in the three breeding seasons from 1983 to 1986. Adults fed their young predominantly silver, schooling bait-fish from 25 mm to 125 mm […]


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