Corpus ID: 85680380

BROOD PATCH AND SEX-RATIO OBSERVATIONS INDICATE BREEDING PROVENANCE AND TIMING IN NEW ZEALAND STORM-PETREL FREGETTA MAORIANA

@article{Rayner2013BROODPA,
  title={BROOD PATCH AND SEX-RATIO OBSERVATIONS INDICATE BREEDING PROVENANCE AND TIMING IN NEW ZEALAND STORM-PETREL FREGETTA MAORIANA},
  author={Matt J. Rayner and Chris P. Gaskin and Brent M. Stephenson and Neil Fitzgerald and Todd J Landers and Bruce C. Robertson and R. Paul Scofield and Stefanie M H Ismar and Michael J. Imber},
  journal={Marine ornithology},
  year={2013},
  volume={41},
  pages={107-111}
}
We used measurements of brood patch and moult status to estimate the breeding phenology of New Zealand Storm-Petrel, using birds caught at sea within the Hauraki Gulf Marine Park near Auckland, New Zealand. Birds caught October–January had completely downy brood patches, whereas birds caught February–April had bare brood patches with an observed male bias in the February sex-ratio, consistent with a female pre-laying exodus typical of petrels and with the existence of an unknown colony in the… Expand

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