Joan B. Silk
BIRTHDATE: 16 December 1953
BIRTHPLACE: Riverside, California
MARITAL STATUS: Married to Robert Boyd, 2 children
CITIZENSHIP: United States
Department of Anthropology
University of California
Los Angeles, CA 90024
Telephone (310) 825-2655
FAX (310) 206-7833
1975 B.A. with honors in Anthropology, Pitzer College, Claremont Colleges
1978 M.A. in Anthropology, University of California, Davis
1981 Ph.D. in Anthropology, University of California, Davis
ACADEMIC HONORS RECEIVED
1976-1981 Recipient of the Regents Fellowship, University of California, Davis
1993 Fellow, American Anthropological Association
1996-2001 Chair, Department of Anthropology, University of California, Los Angeles
1995- Professor, Department of Anthropology, University of California, Los Angeles
1993-1996 Vice Chair, Department of Anthropology, University of California, Los Angeles
1992 Fellow, Zentrum fur Interdisziplinare Forschung, University of Bielefeld, Germany
1990-1994 Associate Professor, Department of Anthropology, University of California, Los Angeles
1986-1992 Affiliate scientist, California Primate Research Center, University of California, Davis
1986-1990 Assistant Professor, Department of Anthropology, University of California, Los Angeles
1984-1986 Assistant Professor, Department of Anthropology, Emory University, Atlanta, Georgia
1984-1986 Assistant Research Behaviorist, California Primate Research Center, Davis, California
1983-1984 Visiting Scholar, Department of Zoology, Duke University, Durham, North Carolina
1982-1983 National Research Service Award, National Institute of Mental Health, postdoctoral fellow, Department of Biology, University of Chicago.
1981-1982 National Science Foundation postdoctoral fellow, Department of Biology, University of Chicago.
Panelist, National Science Foundation Biological Anthropology Section
Panelist, National Science Foundation Graduate Research Fellowship Program
Member, Editorial Board, The American Naturalist
Panelist, National Science Foundation Biological Anthropology Section
Associate Editor, Human Nature
Associate Editor, American Journal of Physical Anthropology
Book Review Editor, Human Ecology
Silk, J.B. 1978. Patterns of food sharing among mother and infant chimpanzees at Gombe National Park, Tanzania. Folia Primatologica 29: 129- 141.
Silk, J.B. 1979. Feeding, foraging, and food sharing of immature chimpanzees. Folia Primatologica 31: 123-142.
Silk, J.B. 1980. Kidnapping and female competition in captive bonnet macaques. Primates 21: 100-110.
Silk, J.B. 1980. Adoption and kinship in Oceania. American Anthropologist 82: 799-820.
Silk, JB, Samuels, A, & Rodman, PS. 1981. Hierarchical organization of female Macaca radiata. Primates 22: 84-95.
Silk, JB, Clark-Wheatley, CB, Rodman, PS, & Samuels, A. 1981. Differential reproductive success and facultative adjustment of sex ratios among captive female bonnet macaques (Macaca radiata). Animal Behaviour 29: 1106-1120.
Silk, JB, Samuels, A., & Rodman, PS. 1981. The influence of kinship, rank, and sex upon affiliation and aggression among adult females and immature bonnet macaques (Macaca radiata). Behaviour 78: 112-137).
Silk, J.B. 1981. Social behavior of female Macaca radiata: the influence of kinship and rank upon cooperation and competition. Ph.D. thesis, University of California, Davis.
Silk, J.B. 1982. Altruism among adult female bonnet macaques: explanation and analysis of patterns of grooming and coalition formation. Behaviour 79: 162-187.
Silk, JB & Boyd, R. 1983. Female cooperation, competition, and mate choice in matrilineal macaque groups. In: Social Behavior of Female Vertebrates (ed. by S.K. Wasser) Academic Press, New York, p. 315-347.
Boyd, R & Silk, J.B. 1983. A method of assigning cardinal indices of dominance rank. Animal Behaviour 31: 45-58.
Silk, J.B. 1983. Local resource competition and facultative adjustment of sex ratios in relation to competitive ability. American Naturalist 121: 56-66.
Silk, JB & Samuels, A. 1984. Triadic interactions among male Macaca radiata: passports and buffers. American Journal of Primatology 6: 373-376.
Silk, J.B. 1984. Measurement of the relative importance of individual selection and kin selection in the genus Macaca. Evolution 38: 553-559.
Samuels, A., Silk, JB, & Rodman, PS. 1984. Changes in the dominance rank and reproductive behavior of male bonnet macaques (Macaca radiata). Animal Behaviour 32: 994-1003.
Silk, J.B. 1984. Local resource competition and the evolution of male-biased sex ratios. Journal of Theoretical Biology 108: 203-213.
Silk, JB & Boyd, R. 1984. Response to J. Rushen. Animal Behaviour 32:933-934.
Silk, J.B. 1986. Eating for two: behavioral and environmental correlates of gestation length among free-ranging baboons (Papio cynocephalus). International Journal of Primatology 7:583-602.
Silk, J.B. 1987. Adoption and fosterage in human societies: adaptations or enigmas? Cultural Anthropology 2:39-49.
Silk, J.B. 1987. Social behavior in evolutionary perspective. In: Primate Societies, ed. by B.B. Smuts et al). University of Chicago Press, Chicago, pp. 318-329.
Samuels, A, Silk, JB, & Altmann, J. 1987. Continuity and change in dominance relationships among female baboons. Animal Behaviour 35: 785-793.
Silk, J.B. 1987. Correlates of aggression and competition among pregnant baboons. American Journal of Primatology 12: 479-495.
Silk, J.B. 1987. Inuit adoption. Ethos 15:320-330.
Silk, J.B. 1987. Activities and diet of free-ranging pregnant baboons, Papio cynocephalus, International Journal of Primatology 8: 593- 613.
Silk, J.B. 1988. Social mechanisms of population regulation in a captive group of bonnet macaques (Macaca radiata), American Journal of Primatology 14: 111-124.
Silk, J.B. 1988. Maternal investment in captive bonnet macaques (Macaca radiata), The American Naturalist 132: 1-19.
Silk, J.B. 1989. Reproductive synchrony in captive macaques. American Journal of Primatology 19: 137-146.
Silk, J.B. 1990. Human adoption in evolutionary perspective. Human Nature 1:25-52.
Silk, J.B. 1990. Sources of variation in interbirth intervals among captive bonnet macaques (Macaca radiata). American Journal of Physical Anthropology 82: 213-230.
Silk, J.B. 1990. Comment on Turke 1990: Which humans adopt adaptively, and does it matter? Ethology and Sociobiology 11: 425-426.
Silk, J.B. 1991. Mother-infant relationships in bonnet macaques: sources of variation in proximity. International Journal of Primatology 12:21-38.
Silk, J.B. 1992. Patterns of intervention in agonistic contests among male bonnet macaques. In: Coalitions and Alliances in Humans and Other Animals (ed. by S. Harcourt and F. de Waal). Oxford University Press,Oxford, pp. 215-232.
Silk, J.B. 1992. The patterning of intervention among male bonnet macaque: reciprocity, revenge, and loyalty. Current Anthropology 33:318-325.
Silk, J.B. 1992. The origins of caregiving behavior. American Journal of Physical Anthropology 87: 227-229.
Silk, JB, Short, J, Roberts, J, & Kemnitz, J. 1993. Gestation Length in Rhesus Macaques (Macaca mulatta). International Journal of Primatology 14:95-104.
Silk, J.B. 1993. The evolution of social conflict among primate females. In: Primate Social Conflict (ed. by W.A. Mason and S. Mendoza). SUNY Press, Albany, pp. 49-83.
Silk, J.B. 1993. Primatological perspectives on gender hierarchies. In: Gender Hierarchies (ed. by B. Miller). Cambridge University Press, Cambridge., pp. 212-235.
Silk, J.B. 1993. Does participation in coalitions influence dominance relationships among male bonnet macaques? Behaviour 126:171-189.
Silk, J.B. 1994. Social relationships of male bonnet macaques: male bonding in a matrilineal society. Behaviour 130:271-291.
Cheney, D.L., Seyfarth, R.M., & Silk, J.B. 1995. The role of grunts in reconciling opponents and facilitating interactions among adult female baboons. Animal Behaviour 50:249-257.
Cheney, D.L., Seyfarth, R.M., & Silk, J.B. 1995. The responses of female baboons (Papio cynocephalus ursinus) to anomalous social interactions: evidence for causal reasoning? Journal of Comparative Psychology 109: 134-141.
Silk, J.B., Cheney, D.L., & Seyfarth, R.M. 1996. The form and function of post-conflict interactions among female baboons. Animal Behaviour 52:259-268.
Silk, J.B. 1996. Why do primates reconcile? Evolutionary Anthropology 5: 39-42.
Boyd, R. & Silk, J.B. 1997, 1999, 2002. How Humans Evolved. W.W. Norton Press, New York. (excerpts from Chapter 9 reprinted in Research Frontiers in Anthropology: Advances in Archaeology and Physical Anthropology, ed. by C. Ember and M. Ember, Prentice Hall.)
Levine, N.E. & Silk, J.B. 1997. Why polyandry fails: sources of instability in polyandrous marriages. Current Anthropology 38: 375-398.
Kummer, H., Daston, L., Gigerenzer, G. & Silk, J.B. 1997. The social intelligence hypothesis. In: Human by Nature (ed. by P. Weingart, S.D. Mitchell, P.J. Richerson, and S. Maasen). Erlbaum Press, pp 157-179.
Silk, J.B.1997. The function of peaceful post-conflict contacts among primates. Primates 38: 265-279.
Silk, J.B. 1998. Making amends: adaptive perspectives on conflict remediation in monkeys, apes, and humans. Human Nature 9:341-368.
Frantzen, M.A.J., Silk, J.B., Ferguson, J.W.H., Wayne, R.K., and Kohn, M.H. 1998. Empirical evaluation of preservation methods for fecal DNA. Molecular Ecology 7:1423-1428.
Silk, J.B. 1999. Why are infants so attractive to others? The form and function of infant handling in bonnet macaques. Animal Behaviour 57:1021-1032.
Silk, J.B. 1999. Male bonnet macaques use information about third party rank relationships to recruit allies. Animal Behaviour 58: 45-51.
Silk, J.B., D.L. Cheney, and R.M. Seyfarth. 1999. The structure of social relationships among female savannah baboons in Moremi Reserve, Botswana. Behaviour 136: 679-703.
Silk, J.B. and Stanford, C.B. 1999. Infanticide article disputed. Anthropology News 40: 27-29.
Silk, J.B., E. Kaldor, and R. Boyd. 2000. Cheap talk when interests conflict. Animal Behaviour 59: 423-432.
Silk, J.B. 2000. The function of peaceful post-conflict interactions: an alternate view. In: Natural Conflict Resolution (ed. by F. Aureli and F.B.M. de Waal), University of California Press, Berkeley, CA, pp 179-181.
Palombit, R.A., D.L. Cheney, J. Fischer, S. Johnson, D. Rendall, R.M. Seyfarth, and J.B. Silk. 2000. Male infanticide and defense of infants in chacma baboons. In: Male Infanticide and its Implications (ed. by C.P. van Schaik and C.H. Janson), Cambridge University Press, Cambridge, pp. 123-151.
Silk, J.B. 2001. Ties that bond: the role of kinship in primate societies. In: New Directions in
Anthropological Kinship (ed. by L. Stone), Rowman and Littlefield, Boulder, CO, pp. 71-92.
Silk, J.B. 2001. Primate socioecology. In: International Encyclopedia of the Social and Behavioral Sciences, (ed. by N. Smelser and P. Baltes), Elsevier Science, Oxford.
Silk, J.B.2001. Bonnet macaques: evolutionary perspectives on females’ lives. In: Model Systems in Behavioral Ecology, (ed. by L.A. Dugatkin), Princeton University Press, Princeton, N.J., pp. 433-452.
Silk, J.B. 2002. Grunts, girneys, and good intentions: the origins of strategic commitment in nonhuman primates. In: Commitment: Evolutionary Perspectives (ed. by R. Nesse), Russell Sage Press, pp. 138-157.
Silk, J.B.2002. Kin selection in primate groups. International Journal of Primatology 23(4): 849–875.
Silk, J.B.2002. Females, food, family, and friendship. Evolutionary Anthropology 11: 85-87.
Silk, J.B. 2002. The form and function of reconciliation in primates. Annual Review of Anthropology 31: 21-44.
Silk, J.B. guest editor. 2002. What are friends for? The adaptive value of social bonds. Behavior 139(2-3).
Silk, J.B.2002. Introduction to special edition. Behavior 139(2-3): 173-175.
Silk, J.B. 2002. Using the ‘F’ word in primatology. Behavior 139(2-3): 421-446.
Boyd, R., Silk, J.B. 2002. Human Sociobiology. In: Encyclopedia of Evolution.
Brown, G.R., Silk, J.B.2002. Reconsidering the null hypothesis: Is maternal rank associated with birth sex ratios in primate groups? Proceedings of the National Academy of Sciences 99(17): 11252-11255.
Silk, J.B. 2002. Practice random acts of aggression and senseless acts of intimidation: the logic of status contests in social groups. Evolutionary Anthropology 11:221-225.
Buchan, J.C., Alberts, S.C., Silk, J.B., Altmann, J. 2003. True paternal care in a multi-male primate society. Nature 425:179-181.
Silk, J.B., Alberts, S.C., Altmann, J.. in press. Patterns of coalition formation by adult female baboons in Amboseli, Kenya. Animal Behaviour.
Silk, J.B., Rendall, D., Cheney, D.L., Seyfarth, R.M. in press. Natal attraction in adult female baboons (Papio cynocephalus ursinus) in the Moremi Reserve, Botswana. Ethology.
Silk, J.B. in press. Cooperation without counting: the puzzle of friendship. In: The Genetic and Cultural Evolution of Cooperation (P. Hammerstein, ed.), Dahlem Workshop Report 90. Cambridge, MA, The MIT Press.
McElreath, R., Clutton-Brock, T.H., Fehr, E. Fessler, D.M.T., Hagen, E.H., Hammerstein, P., Kosfeld, M., Milinski, M., Silk, J.B., Tooby, J., & Wilson, M.I. (in press). The Role of Cognition and Emotion in Cooperation. In: The Genetic and Cultural Evolution of Cooperation (P. Hammerstein, ed.), Dahlem Workshop Report 90. Cambridge, MA, The MIT Press.
Manson, J.H., Navarette, C.D., Silk, J.B., Perry, S. (in press) Time-matched grooming in female primates? New analyses from two species. Animal Behaviour.
Silk, J.B. in press. The evolution of cooperation in primate groups. In: Moral Sentiments and Material Interests: On the Foundations of Cooperation in Economic Life (H. Gintis, S. Bowles, R. Boyd, and E. Fehr eds.) , MIT Press, Cambridge.
Silk , J.B., Brown, G.R. in press. Sex ratios in primate groups. In: Sexual Selection in Primates (P. Kappeler, C. van Schaik, eds.) Cambridge University Press.
Silk, J.B. 1982. Review of The Woman that Never Evolved, by S.B. Hrdy. Ethology and Sociobiology 5: 53-55.
Silk, J.B. 1984. Review of Primate Social Relationships, edited by R.A. Hinde. Science 224: 981-982.
Silk, J.B. 1984. Review of Child Abuse: the Nonhuman Primate Data, edited by M. Reite and N.G. Caine. American Anthropologist 86: 1034-1036.
Silk, J.B. 1985. Review of Reproductive Decisions, by R.I.M. Dunbar. Science 229: 961-962.
Silk, J.B. 1985. Review of Too Many Women? The Sex Ratio Question by M. Guttentag and P. Secord. Ethology and Sociobiology 6: 4-68.
Silk, J.B. 1986. Review of Primate Sociobiology by J.P. Gray. American Journal of Physical Anthropology 71: 21-122.
Silk, J.B. 1988. Review of Apes of the World by R.H. Tuttle. International Journal of Primatology 9: 385-387.
Silk, J.B. 1988. Review of Human Birth by W.R. Trevathan. American Scientist 76(5): 424.
Silk, J.B. 2000. Review of On the Move: How and Why Animals Travel in Groups edited by S. Boinski and P.A. Garber. Ethology 106: 1045-1048.
Silk, J.B. 2001. Review of Tree of Origin: What Primate Behavior Can Tell Us about Human Social Evolution edited by F.B.M. de Waal. Evolution and Human Behavior 22(6): 443-448.
INVITED TALKS (1999-2002)
Reconciliation in primate groups. Meetings of the American Anthropological Association, Chicago, November 1999.
Third party relationships: what do monkeys know and how do we know that they know it? For symposium on the “Evolution of Mind”, sponsored by the Association for the Study of Animal Behaviour, London, December 2-3, 1999.
Cheap talk and valuable messages: lessons learned from listening to monkeys. For symposium on "Signs of Quality: The handicap principle in biology economics and culture", sponsored by the Centre for Ecology and Evolution and the Centre for Economic Learning and Social Evolution, London, Dec 7, 1999.
What are friends for? The adaptive value of social bonds. For CRIG, Department of Psychology, UCLA, Spring 2001.
What are friends for? The adaptive value of social bonds in primates. Southern California Primate Research Network, San Diego, Spring 2001.
The evolution of friendship in primates. Adaptive Behavior and Cognition Group, Max Planck Institute for Human Development, November 2001.
Too many males: Sex ratios and sexual selection in primates. Third Göttinger Frielandtage, Sexual Selection in Primates: Causes, mechanisms, and consequences. 11-15 December, 2001.
“Friendship” in nonhuman primates: comparisons, connections, and contrasts. Conference on Kinship and Friendship, University of Bielefeld, Bielefeld, Germany. 4-6 February 2002.
Allies and Friends: The role of alliances in the lives of female baboons. Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany, 13 May 2002
Allies and Friends: The role of alliances in the lives of female baboons. Institute for Theoretical Biology, Humboldt University, Berlin, Germany, 21 May 2002
Kinship, altruism, and friendship in nonhuman primates. Wissenschaftskolleg zu Berlin, Berlin, Germany, 23 May 2002.
Member of the Program Advisory Committee and participant in 90th Dahlem Workshop on Genetic and Cultural Evolution of Cooperation, Berlin Germany, 23-28 June 2002.
Allies and Friends: the Role of Coalitions in the lives of female baboons. German Primate Center, Göttingen, Germany, 10 July 2002.
Work in progress:
Silk, Alberts, & Altmann: Nepotism (manuscript)
Cheney et al. Demography (submitted)
Silk et al. Sociality (in review, Science)