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Grey petrel population on Campbell Island 14 years after rodent eradication

  • Graham C. Parker (a1), Kalinka Rexer-Huber (a1) (a2) and David Thompson (a3)


Populations of grey petrels have declined globally due to both incidental capture in commercial fisheries and predation by introduced mammals at breeding sites. In the New Zealand region, grey petrels only breed on Campbell and Antipodes islands. Rats were successfully eradicated from Campbell Island in 2001. We assessed the spatial extent and conducted the first quantitative population estimate of the grey petrel population on Campbell Island and surrounding islets. There was an estimated c. 96 pairs (95% CI: 83, 109) of breeding grey petrels from the four colonies. Since work was conducted during the middle of the chick-rearing stage, this is an underestimate of the breeding population. The Campbell Island grey petrel breeding population remains small. Our study provides a baseline for future population estimates of grey petrels on Campbell Island.


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Grey petrel population on Campbell Island 14 years after rodent eradication

  • Graham C. Parker (a1), Kalinka Rexer-Huber (a1) (a2) and David Thompson (a3)


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