Variance in within-pair reproductive success influences the opportunity for sexual selection annually and over the lifetimes of males in a multi-brooded songbird
R. Germain, M. T. Hallworth, S. A. Kaiser, T. S. Sillett, M. S. Webster
The paper uses 16 years of data on black-throated blue warblers to show that variance in within-pair reproductive success affects annual and lifetime male fitness, with positive covariance between within-pair and extra-pair success.
bioRxiv · Mar 3, 2020Evolutionary Biology