Behavioral biology and the double standard / Sarah Blaffer Hrdy and George C. Williams -- The establishment and maintenance of sex biases / Samuel K. Wasser and Mary L. Waterhouse -- Constraints on female choice in mottled sculpin / Luther Brown and Jerry F. Downhower -- Bird songs, sexual selection, and female mating strategies / Robert B. Payne -- Female manipulation of male avoidance of cuckoldry behavior inthe ring dove / Susan Lumpkin -- The evolution of polyandry in shorebirds: an evaluation of hypotheses / W. James Erckmann -- Human female reproductive strategies / William Irons -- A life-stage analysis of Taiwanese women: social and health-seeking behaviors / Mary L. Waterhouse -- Female roles in cooperatively breeding acorn woodpeckers / Walter D. Koenig, Ronald L. Mumme, and Frank A. Pitelka -- Alturism in coati bands; nepotism or reciprocity? / James K. Russell -- Cooperation and reproductive competition among female African elephants / Holly T. Dublin -- Cooperation, competition, and mate choice in matrilineal macaque groups / Joan B. Silk and Robert Boyd -- Reproductive competition and cooperation among female yellow baboons / Samuel K. Wasser.