The aim of "Advances in the Study of Behavior" is to serve scientists engaged in the study of animal behavior, including psychologists, neuroscientists, biologists, ethologists, pharmacologists, endocrinologists, ecologists, and geneticists. Articles in the series present critical reviews of significant research programs with theoretical syntheses, reformulation of persistent problems, and/or highlighting new and exciting research concepts. "Advances in the Study of Behavior" is now available online at ScienceDirect - full-text online of volumes 30 onwards. "Elsevier" book series on ScienceDirect gives multiple users throughout an institution simultaneous online access to an important compliment to primary research. Digital delivery ensures users reliable, 24-hour access to the latest peer-reviewed content. The "Elsevier" book series are compiled and written by the most highly regarded authors in their fields and are selected from across the globe using "Elsevier"'s extensive researcher network. It is multidisciplinary across social and life science subject areas. Volume 36 addresses current themes in animal behavior.