| Abstract: | Some four decades ago, Jeanne Altmann started her detailed field studies of baboon mothers and their infants with a focus on the behavioral ecology of maternal reproductive investment. 1 Around the same time, Sarah Hrdy studied langur mothers and their infants, focusing on the influence of the social environment on a female's reproductive options and decisions. 2 Their pioneering work has inspired many subsequent studies of female primate reproduction in its natural context and shaped our own work on primate mothers. |
