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Infanticide among animals: A review, classification, and examination of the implications for the reproductive strategies of females
It is hypothesized that the threat posed by infanticide is one of several pressures selecting for a shift among higher primates away from strictly cyclical estrous receptivity towards socially determined or situation-dependent receptivity. Expand
Mothers and Others: The Evolutionary Origins of Mutual Understanding
  • S. Hrdy
  • History, Psychology
  • 30 April 2009
Somewhere in Africa, more than a million years ago, a line of ape began to rear their young differently than their Great Ape ancestors. From this new form of care came new ways of engaging andExpand
Care and Exploitation of Nonhuman Primate Infants by Conspecifics Other Than the Mother
Publisher Summary This chapter shares the instances of care for infants by individuals other than the natural mother, and examines the instances of abuse of infants by males and females of variousExpand
The Woman That Never Evolved
Sarah Hrdy demolishes myths about sexually passive, "coy", compliant and exclusively nurturing females and expands the concept of female nature to include the range of selection pressures on females, and reminds the reader of the complexity and dynamism of the evolutionary story. Expand
Mother Nature: Maternal Instincts and How They Shape the Human Species
The simplest example of an instinctive behavior is a fixed action pattern, in which a very short to medium length sequence of actions are carried out in response to a corresponding clearly defined stimulus. Expand
The Langurs of Abu: Female and Male Strategies of Reproduction
"The Langurs of Abu" is the first book to analyze behavior of wild primates from the standpoint of both sexes, and is also a poignant and sophisticated exploration of primate behavior patterns from a feminist point of view. Expand
Male-male competition and infanticide among the langurs (Presbytis entellus) of Abu, Rajasthan.
  • S. Hrdy
  • Biology, Medicine
  • Folia primatologica; international journal of…
  • 1974
From a comparison with other mammals, infant-killing by males may be advantageous when there is intense competition for females; and when frequent take-overs potentially curtail the tenure of an incoming leader. Expand
Mothers and Others
Mother apes—chimpanzees, gorillas, orangutans, humans—dote on their babies. And why not? They give birth to an infant after a long gestation and, in most cases, suckle it for years. With humans,Expand
Cooperative breeding and human cognitive evolution
Despite sharing a recent common ancestor, humans are surprisingly different from other great apes. The most obvious discontinuities are related to our cognitive abilities, including language, but weExpand