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Breeding group size, nest position and breeding success in the chinstrap penguin

AuthorsBarbosa, Andrés ; Moreno Klemming, Juan ; Potti, Jaime ; Merino, Santiago
Breeding group size
Issue Date1997
CitationPolar Biology (1997) 18: 410-414
AbstractWe studied the effect of breeding group size and nest position on breeding success in the chinstrap penguin (Pygoscelis antarctica). Large subcolonies sited at Vapour Col, Deception Island, had higher breeding success than small subcolonies, which suffered a higher chick mortality than large subcolonies. Hatching date was earlier in large colonies. Relationships were not found between mean hatching date per subcolony and mean chick survival. Chick mortality related to nest position showed no difference between central and peripheral nests in large subcolonies. Central nests hatched earlier than peripheral nests. Nests in large subcolonies, whatever their position, were more successful compared with nests in small subcolonies.
Publisher version (URL)http://dx.doi.org/10.1007/s003000050207
Appears in Collections:(EEZA) Artículos
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