Consequences of sibling rivalry vary across life in a passerine bird

Kat Bebbington, Sjouke A. Kingma, Eleanor A. Fairfield, Lewis G. Spurgin, Jan Komdeur and David S. Richardson

Behavioral Ecology, 2017, vol. 28, issue 2, 407-418

Abstract: Lay Summary Offspring raised with siblings often have to compete for access to limited parental resources; but in adulthood, this prior exposure to competition may be beneficial rather than costly. In Seychelles warblers, nestlings raised with competitors suffered more than those raised alone; but during adulthood, those raised with competition appeared to outperform those raised singly. These results suggest a more multifaceted link between early-life competition and lifetime performance than is currently assumed.

Keywords: sibling rivalry; competition; telomere; lifetime fitness; reproductive investment; Seychelles warbler. (search for similar items in EconPapers)
Date: 2017
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