Foreword Sarah Blaffer Hrdy; Preface Carel P. van Schaik and Charles Janson; Part I. Introduction: 1. The holy wars against infanticide: which side are you on and why? Volker Sommer; 2. Infanticide by male primates: the sexual selection hypothesis revisited Carel P. van Schaik; 3. Vulnerability to infanticide by males: patterns among mammals Carel P. van Schaik; Part II. Infanticide by Males: Case Studies: 4. Infanticide in Red Howlers: female group size, male composition and a possible link to folivory Carolyn M. Crockett and Charles H. Janson; 5. Infanticide in Hanuman Langurs: social organization, male migration and weaning age Carola Borries and Andreas Koenig; 6. Male infanticide and defense of infants in Chacma baboons Ryne A. Palombit, Dorothy L. Cheney, Julia Fischer, Sara Johnson, Drew Rendall, Robert M. Seyfarth and Joan B. Silk; 7. Infanticide by males and female choice in wild Thomas's Langurs Romy Steenbeek; 8. The evolution of infanticide in rodents: a comparative analysis Daniel T. Blumstein; 9. Infanticide by male birds José P. Viega; Part III. Behavioural Consequences of Infanticide by Males: 10. Prevention of infanticide: the perspective of infant primates Adrian Treves; 11. Infanticide and the evolution of male-female bonds in animals Ryne A. Palombit; 12. The other side of the coin: infanticide and the evolution of affiliative male-infant interactions in Old World primates Andreas Paul, Signe Preuschoft and Carel P. van Schaik; 13. Female dispersal and infanticide avoidance in primates Elisabeth H. M. Sterck and Amanda H. Korstjens; 14. Reproductive patterns in eutherian mammals: adaptations against infanticide Maria A. van Noordwijk and Carel P. van Schaik; 15. Paternity confusion and the ovarian cycles of female primates Carel P. van Schaik, J. Keith Hodges and Charles L. Nunn; 16. Social evolution in primates: the relative roles of ecology and intersexual conflict Charles L. Nunn and Carel P. van Schaik; Part IV. Infanticide by Females: 17. Infanticide by female mammals: implications for the evolution of social systems Leslie Digby; 18. 'The hate that love generated' - sexually selected neglect of one's own offspring in humans Eckart Voland and Peter Stephan; Part V. Conclusion: 19. The behavioral ecology of infanticide Charles H. Janson and Carel P. van Schaik; References, Index.