Male quality, signal reliability and female choice: assessing the expectations of inter-sexual selection.
Numerous models have attempted to explain the evolution of extravagant male
traits. However, the role of female choice in the evolution of male traits remains unclear. We tested the hypothesis that female choice is a major factor in the evolution of male traits by examining the relationship between male quality, signal reliability and female choice in the field. We found that male signal reliability was positively correlated with male quality