Fine-scale genetic structuring on manacus manacus leks

ABSTRACT Leks have traditionally been considered as arenas where males compete to attract females and secure matings. Thus, direct fitness benefits mediated through competition between males

to fertilize females have been considered to be the primary force driving the evolution of lekking behaviour1,2. Inclusive fitness benefits mediated through kin selection3 may also be

involved in lek formation and evolution4,5, but to date this theory has been largely ignored. According to kin-selection theory, both reproducing and non-reproducing males may gain indirect

inclusive fitness benefits. If females are attracted to larger leks, non-reproducing males add attractiveness to a lek, and therefore, in a genetically structured population, boost the

reproductive success of kin. Theory predicts that the attractiveness of leks is plastic, and that males establish themselves on a lek in which the top male, in terms of reproductive success,

is a close relative6. Here we show that in white-bearded manakins (_Manacus manacus_), for which larger leks are more attractive to females7,8 and so secure the maximum number of matings,

there is extraordinary fine-scale genetic structure, with leks being composed of clusters of related kin. We propose that males establish themselves where they find relatives to such an

extent that they form groups within leks, and that such behaviour is consistent with kin-selection theory to maximize reproductive success of the group. Access through your institution Buy

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DEMOGRAPHY IN SHAPING COOPERATION AMONGST MALE LIONS Article Open access 16 October 2020 SUCCESSFUL BREEDING PREDICTS DIVORCE IN PLOVERS Article Open access 23 September 2020 REFERENCES *

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We thank C. Fitzjames, J. Johnston and T. Lievonen for help in the field, S. Griffith for advice and R. Dufva for help in the lab. The study was funded by the Swedish Natural Sciences

Research Council (NFR) (to J.H.). AUTHOR INFORMATION AUTHORS AND AFFILIATIONS * Population Biology/EBC, Uppsala University, Norbyvägen 18D, Uppsala , SE-752 36, Sweden Lisa Shorey & 

Jacob Höglund * Department of Zoology, NERC Molecular Genetics in Ecology Initiative, University of Aberdeen, Tillydrone Avenue, Aberdeen, AB24 2TZ, UK Stuart Piertney * Animal Ecology/EBC,

Uppsala University, Norbyvägen 18D, Uppsala, SE-752 36, Sweden Jon Stone Authors * Lisa Shorey View author publications You can also search for this author inPubMed Google Scholar * Stuart

Piertney View author publications You can also search for this author inPubMed Google Scholar * Jon Stone View author publications You can also search for this author inPubMed Google Scholar

* Jacob Höglund View author publications You can also search for this author inPubMed Google Scholar CORRESPONDING AUTHOR Correspondence to Lisa Shorey. SUPPLEMENTARY INFORMATION

SUPPLEMENTARY TABLE: MICROSATELLITE MARKERS USED TO DEFINE RELATEDNESS. (DOC 21 KB) RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Shorey, L., Piertney,

S., Stone, J. _et al._ Fine-scale genetic structuring on _Manacus manacus_ leks. _Nature_ 408, 352–353 (2000). https://doi.org/10.1038/35042562 Download citation * Received: 22 May 2000 *

Accepted: 21 August 2000 * Issue Date: 16 November 2000 * DOI: https://doi.org/10.1038/35042562 SHARE THIS ARTICLE Anyone you share the following link with will be able to read this content:

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