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The annual cycle of southern giant petrels Macronectes giganteus in East Antarctica


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Otovic, S, Riley, Madalyn, Hay, I, McKinlay, J, Van Den Hoff, J and Wienecke, B 2018 , 'The annual cycle of southern giant petrels Macronectes giganteus in East Antarctica' , Marine Ornithology, vol. 46, no. 2 , pp. 129-138 .

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We report the first results from a 3-year study of the annual cycle of Southern Giant Petrels Macronectes giganteus in two colonies in East Antarctica. We tested the utility of a system of automated cameras that monitored and recorded events in the colonies year-round. Based on the collected images, we determined a detailed phenology of breeding events and activities throughout winter. The timing of some portions of the annual cycle (e.g., laying dates) were similar, whereas other aspects of the annual cycle differed between locations (e.g., pair formation and length of the non-brooding guard phase). Comparisons with other breeding locations throughout the species' range showed that lay dates vary with latitude but are synchronous at each site.

Item Type: Article
Authors/Creators:Otovic, S and Riley, Madalyn and Hay, I and McKinlay, J and Van Den Hoff, J and Wienecke, B
Keywords: southern giant petrels, Macronectes giganteus, phenology, automated cameras, East Antarctica
Journal or Publication Title: Marine Ornithology
Publisher: Pacific Seabird Group
ISSN: 1018-3337
Copyright Information:

© Marine Ornithology 2018. Papers published in Marine Ornithology can be freely distributed and archived under Creative Commons Attribution-ShareAlike License(CC BY-SA).

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