P. Frost, SEX-DIFFERENCES MAY INDEED EXIST FOR 3-D NAVIGATIONAL ABILITIES - BUTWAS SEXUAL SELECTION RESPONSIBLE, Behavioral and brain sciences, 21(3), 1998, pp. 443
Polygyny does not necessarily entail sexual selection of men. All fact
ors that affect the operational sex,ratio must be considered. Data fro
m contemporary hunter-gatherers indicate higher mortality rates in men
than in women, and lost female reproductive time. If sexual selection
did occur in ancestral hunter-gatherers, it was probably men selectin
g women and not women selecting men.