Publications


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Showing 12 of 1617 documents

Asynchronous Hatching, Fratricide and Double Clutches in the Marsh Harrier


Author(s): D. J. BAKER-GABB

A brood of four nestling Marsh Harriers Circus aeruginosus hatched over approximately seven days. When the three older nestlings were banded, the fourth and youngest was one quarter of the weight of the next older nestling. The youngest nestling was killed and eaten by its siblings during a period of food shortage. One female and […]

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Survival among Birds of the Understorey in Lowland Rainforest in Papua New Guinea


Author(s): H. L. BELL

Recapture rates of birds netted at Brown River, Papua New Guinea are analysed. Newly-banded birds have a much lower recapture rate than birds banded one year or more. Recapture rate of newly-banded birds is lowest in those with high breeding success and large clutches (mostly hole-nesters) and highest in those with low breeding success and […]

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