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

Abstract:

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 records of breeding collared flycatchers (Ficedula albicollis) of known age, we q...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Zoology
Role:
Author
Journal:
Evolution; international journal of organic evolution
Volume:
65
Issue:
6
Pages:
1623-1636
Publication date:
2011-06-05
DOI:
EISSN:
1558-5646
ISSN:
0014-3820
URN:
uuid:4206a360-9eb2-4cef-a1b9-92b7c490c987
Source identifiers:
204451
Local pid:
pubs:204451

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