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Article

Divergent patterns of age-dependence in ornamental and reproductive traits in the collared flycatcher.

Evolution; international journal of organic evolution - 1 Jun 2011

Evans Simon R, Gustafsson Lars, Sheldon Ben C

Abstract excerpt

Sexual ornaments are predicted to honestly signal individual condition. We might therefore expect ornament expression to show a senescent decline, in parallel with late-life deterioration of other characters. Conversely, life-history theory predicts the reduced residual reproductive value of older individuals will favor increased investment in sexually attractive traits. Using a 25-year dataset of more than 5000...

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PMID: 21644953
DOI: 10.1111/j.1558-5646.2011.01253.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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