Selection due to social interactions comprises competition over matings (sexual selection stricto sensu) plus other forms of social competition and cooperation. Sexual selection explains sex differenc
To facilitate the search for a suitable mating partner, many animals across all taxa use social information. One form of social learning is mate copying, in which individuals use information about pot
We raised crickets from two populations in Hawaii (O'ahu and Kaua'i) and two wing morphs (flatwing males, which cannot sing; and normal-wing males, which can sing), under conditions of perceived sperm
1All phallus length measures were performed on live specimens except in silvery mole-rats, where measures were post-fixation. Thus, shrinkage due to fixation may have reduced these measures in silvery
Sexual selection and sexual conflict are expected to affect all aspects of the phenotype, not only traits that are directly involved in reproduction. Here, we show coordinated evolution of multiple ph
