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Behavioral Ecology Advance Access originally published online on January 17, 2007
Behavioral Ecology 2007 18(2):496-498; doi:10.1093/beheco/arl106
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© The Author 2007. Published by Oxford University Press on behalf of the International Society for Behavioral Ecology. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org

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Yolk androgen deposition as a female tactic to manipulate paternal contribution

Gregorio Moreno-Rueda

Departamento de Biología Animal, Facultad de Ciencias, Universidad de Granada, E-18071, Granada, Spain

Address correspondence to G. Moreno-Rueda. E-mail: gmr@ugr.es.

Received 9 October 2006; revised 23 November 2006; accepted 17 December 2006.

The first 150 words of the full text of this article appear below.


   INTRODUCTION
 
The differential allocation hypothesis (DAH) predicts that females should invest more in reproduction when mated with an attractive male (Burley 1988Go; Sheldon 2000Go); and, according to this hypothesis, females mated with attractive males frequently invest more resources in eggs (Cunningham and Russell 2000Go; Saino et al. 2002Go; Rutstein et al. 2004Go). In zebra finches (Taeniopygia guttata) and barn swallows (Hirundo rustica), females deposit more androgens (testosterone, 5{alpha}-dihydrotestosterone, androstenedione) in eggs when mated with attractive males (Gil et al. 1999Go; Gil, Ninni, et al. 2006Go). Similarly, canary (Serinus canaria) females deposit more androgens when exposed to attractive male songs (Gil et al. 2004Go). Because some studies have shown that yolk androgens improve nestling growth and survival (Schwabl 1993Go; Eising et al. 2001Go; Pilz et al. 2004Go), it has been suggested that this pattern . . . [Full Text of this Article]


   EVIDENCES FOR DAH AND MAH: ANDROGEN DEPOSITION ACCORDING TO MALE ATTRACTIVENESS
 
Females investing more androgens when paired with attractive males
Females not investing more androgens when paired with attractive males

   FINAL CONSIDERATIONS
 

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