Advances in the Study of Behavior, Volume 52, provides users with the latest insights in this ever-evolving field. Users will find new information on a variety of species, including ecological determinants of sex roles and female sexual selection, copulatory behavior and genital morphology in vertebrates, proximate and ultimate influences on social behavior, and more. Sample chapters in this release include Ecological determinants of sex roles and female sexual selection, Sensory information in social insects, How the material basis of colors impacts how they evolve, participate in behavioral interactions, and interface with other life history characters, Fiddler crabs, the Evolution of female coloration, and more.