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Carry-over body mass effect from winter to breeding in a resident seabird, the little penguin ArchiMer
Salton, Marcus; Saraux, Claire; Dann, Peter; Chiaradia, André.
Using body mass and breeding data of individual penguins collected continuously over 7 years (2002–2008), we examined carry-over effects of winter body mass on timing of laying and breeding success in a resident seabird, the little penguin (Eudyptula minor). The austral winter month of July consistently had the lowest rate of colony attendance, which confirmed our expectation that penguins work hard to find resources at this time between breeding seasons. Contrary to our expectation, body mass in winter (July) was equal or higher than in the period before (‘moult-recovery’) and after (‘pre-breeding’) in 5 of 7 years for males and in all 7 years for females. We provided evidence of a carry-over effect of body mass from winter to breeding; females and males...
Tipo: Text Palavras-chave: Capital-income breeding; Penguin monitoring system; Parental investment; Timing of laying; Breeding success; Seabirds.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00253/36431/34976.pdf
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