The influence of operational sex ratio on the intensity of competition for mates.


The evolution and maintenance of secondary sexual characteristics and behavior are heavily influenced by the variance in mating success among individuals in a population. The operational sex ratio (OSR) is often used as a predictor of the intensity of competition for mates, as it describes the relative number of males and females who are ready to mate. We… (More)
DOI: 10.1086/657918


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