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. 2013 Apr 11;13:81. doi: 10.1186/1471-2148-13-81

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Copyright © 2013 Nelson et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Effects of breeding treatment on male social dominance and reproductive success. Means and standard errors are calculated Y-chromosome markers from 10 competition enclosures. Promiscuous line males (open bars) had significantly more offspring than monogamous line males (closed bars) due to greater relative representation within territories defended by either promiscuous (P) line or monogamous (M) line males, and in undefended territories. In territories defended by promiscuous line males, 95% of offspring had promiscuous line paternity; in territories defended by monogamous line males, 68% of offspring had monogamous line paternity.