• 1
    Glazko GV,Nei M. 2003. Estimation of divergence times for major lineages of primate species. Mol Biol Evol 20: 424434.
  • 2
    de Waal FBM. 2005. Our inner ape. New York: Riverhead Books.
  • 3
    Boesch C. 2007. What makes us human (Homo sapiens)? The challenge of cognitive cross-species comparison. J Comp Psychol 121: 227240.
  • 4
    Robson SL,Hawkes K,van Schaik CP. 2006. The derived features of human life history. In: HawkesK,PaineRL, editors. The evolution of human life History. Santa Fe: School of American Research Press. p 1744.
  • 5
    Kaplan HK,Hill K,Lancaster J,Hurtado AM. 2000. A theory of human life history evolution: diet, intelligence and longevity. Evol Anthropol 9: 156185.
  • 6
    Henrich J,Boyd R,Bowles S,Camerer C,Fehr E,Gintis H,McElreath R,Alvard M,Barr A,Ensminger J, and others. 2005. “Economic man” in cross-cultural perspective: behavioral experiments in 15 small-scale societies. Behav Brain Sci 28: 795855.
  • 7
    Fehr E,Fischbacher U. 2003. The nature of human altruism. Nature 423: 785791.
  • 8
    Batson CD. 1991. The altruism question: toward a social psychological answer. Hillsdale, NJ: Erlbaum.
  • 9
    Hrdy S. 2009. Mothers and others: the evolutionary origins of mutual understanding. Cambridge: Harvard University Press.
  • 10
    Deaner RO,van Schaik CP,Johnson V. 2006. Do some taxa have better domain-general cognition than others? A meta-analysis of nonhuman primate studies. Evol Psychol 4: 149196.
  • 11
    Call J. 2007. Social knowledge in primates. In: DunbarRIM,BarrettL, editors. Handbook of evolutionary psychology. New York: Oxford University Press. p 7181.
  • 12
    Herrmann E,Call J,Hernandez-Lloreda MV,Hare B,Tomasello M. 2007. Humans have evolved specialized skills of social cognition: the cultural intelligence hypothesis. Science 317: 13601366.
  • 13
    Aiello LC,Key C. 2002. Energetic consequences of being a Homo erectus female. Am J Hum Biol 14: 551565.
  • 14
    Hrdy S. 2005. Evolutionary context of human development: the cooperative breeding model. In: CarterCS,AhnertL,GrossmannKE,HrdySB,LambME,PorgesSW,SachserN, editors. Attachment and bonding: a new synthesis, from the 92nd Dahlem Workshop Report. Cambridge: MIT Press. p 932.
  • 15
    Hrdy S. 1999. Mother nature: a history of mothers, infants, and natural selection. New York: Pantheon Books.
  • 16
    Hrdy S. 2005. Comes the child before the man: how cooperative breeding and prolonged postweaning dependence shaped human potentials. In: HewlettB,LambM, editors. Hunter gatherer childhood. Psicataway: Transactions. p 6591.
  • 17
    Burkart JM,van Schaik CP. n.d. Cognitive consequences of cooperative breeding in primates. Anim Cogn. In press.
  • 18
    Tomasello M,Call J. 1997. Primate cognition. New York: Oxford University Press.
  • 19
    Heyes C. 1998. Theory of mind in nonhuman primates. Behav Brain Sci 21: 101184.
  • 20
    Povinelli DJ,Bering J,Giambrone S. 2000. Toward a science of other minds: escaping the argument by analogy. Cogn Sci 24: 509541.
  • 21
    Penn DC,Povinelli DJ. 2007. On the lack of evidence that non-human animals possess anything remotely resembling a “theory of mind”. Philos Trans R Soc B 362: 731744.
  • 22
    Tomasello M,Carpenter M,Call J,Behne T,Moll H. 2005. Understanding and sharing intentions: the origins of cultural cognition. Behav Brain Sci 28: 675735.
  • 23
    Tomasello M,Rakoczy H. 2003. What makes human cognition unique? From individual to shared to collective intentionality. Mind Language 18: 121147.
  • 24
    Searle JR. 1995. The construction of social reality. New York: Free Press.
  • 25
    Tomasello M,Carpenter M. 2007. Shared intentionality. Dev Sci 10: 121125.
  • 26
    Burkart JM. 2009. Socio-cognitive abilities and cooperative breeding. In: Röska-HardyLS,NeumannHeldEM, editors. Learning from animals? Examining the nature of human uniqueness: Psychol Press. p 123141.
  • 27
    Wilson EO. 1975. Sociobiology. Cambridge, MA: Harvard University Press.
  • 28
    Ligon JD,Burt DB. 2004. Evolutionary origins. In: KoenigW,DickinsonJ, editors. Ecology and evolution of cooperative breeding in Birds. Cambridge: Cambridge University Press. p 534.
  • 29
    Solomon NG,French JA. 1997. Cooperative breeding in mammals. New York: Cambridge University Press.
  • 30
    Clutton-Brock T. 2006. Cooperative breeding in mammals. In: KappelerPM,van SchaikCP, editors. Cooperation in primates and humans: mechanisms and evolution. Berlin: Springer. p 173190.
  • 31
    Foster KR,Ratnieks LW. 2005. A new eusocial vertebrate? Trends Ecol Evol 20: 363364.
  • 32
    Digby LJ,Ferrari SF,Saltzman W. 2007. Callitrichines: the role of competition in cooperatively breeding species. In: CampbellCJ,FuentesA,MacKinnonKC,PangerMA,BearderSK, editors. Primates in perspective. New York: Oxford University Press. p 85105.
  • 33
    Garber PA,Rosenberger AL,Norconk MA. 1995. Marmoset misconceptions. In: NorconkMA,RosenbergerAL,GarberPA, editors. Adaptive radiations of neotropical primates. New York: Plenum Press.
  • 34
    Dietz JM. 2004. Kinsip structure and reproductive skew in cooperatively breeding primates. In: ChapaisB,BermanC, editors. Kinship and behavior in primates. Oxford: Oxford University Press. p 223241.
  • 35
    Savage A,Snowdon CT,Giraldo H,Soto LH. 1995. Parental care patterns and vigilance in wild cotton-top tamarins (Saguinus oedipus). In: NorconkMA,RosenbergerAL,GarberPA, editors. Adaptive radiations of neotropical primates. New York: Plenum Press. p. 187199.
  • 36
    Zahed SR,Prudom SL,Snowdon CT,Ziegler TE. 2007. Male parenting and response to infant stimuli in the common marmoset (Callithrix jacchus). Am J Primatol 70: 8492.
  • 37
    Brown GR,Almond REA,van Bergen Y. 2004. Begging, stealing and offering: food transfer in non-human primates. Adv Study Behav 34: 265295.
  • 38
    Snowdon CT. 2001. Social processes in communication and cognition in callitrichid monkeys: a review. Anim Cogn 4: 247257.
  • 39
    Aureli F,Schaffner C. 2006. Causes, consequences and mechanisms of reconciliation: the role of cooperation. In: KappelerPM,van SchaikCP, editors. Cooperation in primates and humans: mechanisms and evolution. Heidelberg: Springer. p 121136.
  • 40
    Schaffner CM,Caine NG. 2000. The peacefulness of cooperatively breeding primates. In: AureliF,De WaalFB, editors. Natural conflict resolution. Berkeley, California: University of California Press. p 155169.
  • 41
    Snowdon CT,Cronin KA. 2007. Cooperative breeders do cooperate. Behav Proc 76: 138141.
  • 42
    Hauser MD,Chen MK,Chen F,Chuang E. 2003. Give unto others: genetically unrelated cotton-top tamarin monkeys preferentially give food to those who altruistically give food back. Proc R Soc B 279: 23632370.
  • 43
    Cronin KA,Snowdon CT. 2008. The effects of unequal reward distributions on cooperative problem solving by cottontop tamarins, Saguinus oedipus. Anim Behav 75: 245257.
  • 44
    Cronin KA,Schroeder KKE,Rothewell ES,Silk JB,Snowdon CT. n.d. Cooperatively breeding cottontop tamarins (Saguinus oedipus) do not donate rewards to their long-term mates. JComp Psychol. In press.
  • 45
    Burkart JM,Fehr E,Efferson C,van Schaik CP. 2007. Other-regarding preferences in a non-human primate, the common marmoset (Callithrix jacchus). Proc Natl Acad Sci USA 104: 1976219766.
  • 46
    Hohmann G,Fruth B. 1996. Food sharing and status in unprovisioned bonobos. In: WiessnerP,SchiefenhövelW, editors. Food and the status quest. Providence: Berghahn Books. p 4867.
  • 47
    de Waal FBM. 2006. Primates and philosophers. New Jersey: Princeton University Press.
  • 48
    de Waal FBM,Brosnan SF. 2006. Simple and complex reciprocity in primates. In: KappelerPM,van SchaikCP, editors. Cooperation in primates and humans: mechanisms and evolution. Heidelberg: Springer. p 85105.
  • 49
    Rose LM. 1997. Vertebrate predation and food-sharing in Cebus and Pan. Int J Primatol 18: 727765.
  • 50
    Gilby IC. 2006. Meat sharing among the Gombe chimpanzees: harassment and reciprocal exchange. Anim Behav 71: 953963.
  • 51
    Boesch C,Boesch-Achermann H. 2000. The chimpanzees of the Taÿ forest: behavioral ecology and evolution. Oxford: Oxford University Press.
  • 52
    De Waal FBM. 1997. Food transfers through mesh in brown capuchins. J Comp Psychol 111: 370378.
  • 53
    Kano T. The last ape: pygmy chimpanzee behavior and ecology, translated by E. Vineberg. Stanford: Stanford University Press.
  • 54
    Ueno A,Matsuzawa T. 2004. Food transfer between chimpanzee mothers and their infants. Primates 45: 231239.
  • 55
    Silk JB,Brosnan SF,Vonk J,Henrich J,Povinelli DJ,Richardson AS,Lambeth SP,Mascaro J,Schapiro SJ. 2005. Chimpanzees are indifferent to the welfare of unrelated group members. Nature 437: 13571359.
  • 56
    Jensen K,Hare B,Call J,Tomasello M. 2006. What's in it for me? Self-regard precludes altruism and spite in chimpanzees. Proc R Soc B 273: 10131021.
  • 57
    Vonk J,Brosnan SF,Silk JB,Henrich J,Richerdson AS,Lambeth SP,Schapiro SJ,Povinelli DJ. 2008. Chimpanzees do not take advantage of very low cost opportunities to deliver food to unrelated group members. Anim Behav 75: 17571770.
  • 58
    Mason WA,Hollis JH. 1962. Communication between young rhesus macaques. Anim Behav 10: 211221.
  • 59
    Colman AD,Liebold KE,Boren JJ. 1969. A method for studying altruism in monkeys. Psycho Rec 19: 401405.
  • 60
    Wolfle DL,Wolfle HM. 1939. The development of cooperative behavior in monkeys and young children. J Gen Psychol 55: 137175.
  • 61
    Silk JB. 2007. Empathy, sympathy and prosocial preferences in primates. In: DunbarRIM,BarrettL, editors. Handbook of evolutionary psychology. New York: Oxford University Press. p 115126.
  • 62
    O'Brien TG,Robinson J. 1991. Allomaternal care by female wedge-capped capuchin monkeys: effects of age, rank and relatedness. Behav 199: 3050.
  • 63
    Perry S. 1996. Female-female social relationships in wild white-faced capuchin monkeys, Cebus capucinus. Am J Primatol 40: 167182.
  • 64
    Fragaszy DM,Baer J,Adams-Curtis L. 1991. Behavioural development and maternal care in tufted capuchin (Cebus apella) and squirrel monkeys (Saimiri sciureus) from birth through seven months. Dev Psychobiol: 375394.
  • 65
    Baldovino MC,Bitetti MS. 2008. Allonursing in tufted capuchin monkeys (Cebus nigritus): milk or pacifier? Folia Primatol 79: 7992.
  • 66
    Fedigan L,Carnegie SD,Jack KM. 2008. Predictors of reproductive success in female white-faced capuchins (Cebus capucinus). Am J Phys Anthropol: 8290.
  • 67
    de Waal FBM,Leimgruber K,Greenberg AR. 2008. Giving is self-rewarding for monkeys. Proc Natl Acad Sci USA 105: 1368513689.
  • 68
    Lakshminarayanan VR,Santos LR. 2008. Capuchin monkeys are sensitive to others' welfare. Curr Biol 18: R999R1000.
  • 69
    Rapaport LG. 2006. Parenting behaviour: babbling bird teachers? Curr Biol 16: R675R677.
  • 70
    Rapaport LG,Brown RB. 2008. Social influences on foraging behavior in young nonhuman primates: learning what, where, and how to eat. Evol Anthropol 17: 189201.
  • 71
    Caro TM,Hauser MD. 1992. Is there teaching in nonhuman animals? Q Rev Biol 67: 151172.
  • 72
    Call J,Tomasello M. 2008. Does the chimpanzee have a theory of mind? 30 years later. Trends Cogn Sci 12: 187192.
  • 73
    Cronin KA,Snowdon CT,Silk JB. 2008. Performance of cottontop tamarins (Saguinus oedipus) on a food donation task Primate Eye 96 (Special Issue: Abstracts of the XXII Congress of IPS):17.
  • 74
    Warneken F,Hare B,Melis AP,Hanus D,Tomasello M. 2007. Spontaneous altruism by chimpanzees and young children. Plos Biol 5: e184, 1–7.
  • 75
    Melis AP,Hare B,Tomasello M. 2006. Chimpanzees recruit the best collaborators. Science 311: 12971300.
  • 76
    Mitani JC. 2006. Reciprocal exchange in chimpanzees and other primates. In: KappelerPM,van SchaikCP, editors. Cooperation in primates and humans: mechanisms and evolution. Berlin: Springer. p 107119.
  • 77
    Stevens RC. 2003. The selfish nature of generosity: harrassment and food sharing in primates. Proc R Soc B 271: 451456.
  • 78
    de Waal FBM. 2008. Putting the altruism back into altruism: the evolution of empathy. Annu Rev Psychol 59: 279300.
  • 79
    De Waal FBM. 1996. Good natured: the origins of right and wrong in humans and other animals. Cambridge: Harvard University Press.
  • 80
    Coussi-Korbel S,Fragaszy DM. 1995. On the relation between social dynamics and social learning. Anim Behav 50: 14411453.
  • 81
    Kumashiro M,Ishibashi H,Uchiyama Y,Itakura S,Murata A,Iriki A. 2003. Natural imitation induced by joint attention in Japanese monkeys. Int J Psychophysiol 50: 8199.
  • 82
    Rizzalotti G,Fadiga L,Fogassi L,Gallese V. 2002. From mirror neurons to imitation: facts and speculation. In: MeltzoffAN,PrinzW, editors. The imitative mind: development, evolution, and brain bases. Cambridge: Cambridge University Press. p 247266.
  • 83
    van Schaik CP. 2006. Why are some animals so smart? Sci Am 294: 6471.
  • 84
    Whiten A,van Schaik CP. 2007. The evolution of animal “cultures” and social intelligence. Philos Trans R Soc B 362: 603620.
  • 85
    van Schaik CP,Burkart JM. n.d. Why culture makes smart: the cultural intelligence hypothesis. Ethology.
  • 86
    Isler K,van Schaik CP. 2009. Why are there so few smart mammals (but so many smart birds)? Biol Lett 5: 125129.
  • 87
    Isler K,van Schaik CP. n.d. The expensive brain: a framework for explaining evolutionary changes in brain size. J Hum Evol. In press.
  • 88
    Barrickman NL,Bastian ML,Isler K,van Schaik CP. 2008. Life history costs and benefits of encephalization: a comparative test using data from long-term studies of primates in the wild. J Hum Evol 54: 568590.
  • 89
    Hare B,Brown M,Williamson C,Tomasello M. 2002. The domestication of social cognition in dogs. Science 298: 16342636.
  • 90
    Topal J,Gacsi M,Miklosi A,Viranyi Z,Kubinyi E,Csanyi V. 2005. Attachment to humans: a comparative study on hand-reared wolves and differently socialized dog puppies. Anim Behav 70: 13671375.
  • 91
    Baker PJ,Harris S. 2004. Red foxes: the behavioural ecology of red foxes in urban Bristol. In: MacdonaldDW,Sillero-ZubiriC, editors. Biology and conservation of wild canids. New York: Oxford University Press. p 207216.
  • 92
    Macdonald DW. 1979. “Helpers” in fox society. Nature 282: 6971.
  • 93
    Trut L. 1999. Early canid domestication: the farm-fox experiment. Am Sci 87: 160169.
  • 94
    Russon AE. 2004. Great ape cognitive systems. In: RussonAE,BegunDR, editors. The evolution of thought: evolutionary origins of great ape intelligence. Cambridge: Cambridge University Press. p 7699.
  • 95
    van Schaik CP,Deaner RO,Merrill MY. 1999. The conditions for tool use in primates: implications for the evolution of material culture. J Hum Evol 36: 719741.
  • 96
    Visalberghi E,Fragaszy DM,Savage-Rumbaugh S. 1995. Performance in a tool-using task by common chimpanzees (Pan troglodytes), bonobos (Pan paniscus), an orangutan (Pongo pygmaeus), and capuchin monkeys (Cebus apella). J Comp Psychol 109: 5260.
  • 97
    Mulcahy NJ,Call J. 2006. How great apes perform on a modified trap-tube task. Anim Cogn 9: 193199.
  • 98
    Mulcahy NJ,Call J. 2006. Apes save tools for future use. Science 312: 10381040.
  • 99
    Boesch C,Boesch H. 1984. Mental map in wild chimpanzees: an analysis of hammer transports for nut cracking. Primates 25: 160170.
  • 100
    Rapaport LG. 2006. Provisioning in wild golden lion tamarins (Leontopithecus rosalia): benefits to omnivorous young. Behav Ecol 17: 212221.
  • 101
    Cheney DL,Seyfarth RM. 2007. Baboon metaphysics. Chicago: University of Chicago Press.
  • 102
    Premack D. 2007. Human and animal cognition: continuity and discontinuity. Proc Natl Acad Sci USA 104: 1386113867.
  • 103
    Hare B. 2001. Can competitive paradigms increase the validity of experiments on primate social cognition? Anim Cogn 4: 269280.
  • 104
    Gergely G,Csibra G. 2005. The social construction of the cultural mind: Imitative learning as a mechanism of human pedagogy. Interaction Stud 6: 463481.
  • 105
    De Waal FBM. 2008. Putting the altruism back into altruism: The evolution of empathy. Annu Rev Psychol 59: 4.14.22.
  • 106
    Brosnan SF,Schiff HC,De Waal FBM. 2005. Tolerance for inequity may increase with social closeness in chimpanzees. Proc R Soc B 272: 253258.
  • 107
    Bräuer J,Call J,Tomasello M. 2006. Are apes really inequity averse? Proc R Soc B 273: 21233128.
  • 108
    Burkart JM,Heschl A. 2007. Perspective taking or behaviour reading? Understanding of visual access in common marmosets (Calithrix jacchus). Anim Behav 73: 457469.
  • 109
    Savage-Rumbaugh S,Shanker SG,Taylor JT. 1998. Apes, language, and the human mind. New York: Oxford University Press.
  • 110
    Tomasello M,Carpenter M. 2007. The emergence of social cognition in three young chimpanzees. Boston: Blackwell.
  • 111
    Leavens DA,Hopkins WD. 1998. Intentional communication by chimpanzees: a cross-sectional study of the use of referential gestures. Dev Psychol 34: 813822.
  • 112
    Tomasello M,Carpenter M,Liszkowski U. 2007. A new look at infant pointing. Child Dev 78: 705722.
  • 113
    Tomasello M. 1999. The cultural origins of human cognition. Cambridge MA: Harvard University Press.
  • 114
    Carpendale J,Lewis C. 2006. How children develop social understanding. Oxford: Blackwell.
  • 115
    Tomasello M. 2003. Constructing a language: a usage-based theory of language acquisition. Cambridge MA: Harvard University Press.
  • 116
    Richardson DC,Dale R,Krickham NZ. 2007. The art of conversation is coordination. Psychol Sci 18: 407413.
    Direct Link:
  • 117
    Zahavi A. 1975. Mate selection: a selection for a handicap. J Theor Biol 53: 205214.
  • 118
    Grice HP. 1975. Logic and conversation. In: ColeP, editor. Syntax and semantics, vol 3. New York: Academic Press. p 4158.
  • 119
    Hurford J. 2007. The origins of meaning: language in the light of evolution. Oxford: Oxford University Press.
  • 120
    Fitch WT. 2004. Kin selection and “mother tongues”: a neglected component in language evolution. In: OllerDK,GriebelU, editors. The evolution of communication systems: a comparative approach. Cambridge: MIT Press. p 275296.
  • 121
    Ramsey G,Bastian ML,van Schaik CP. 2007. Animal innovation defined and operationalized. Behav Brain Sci 30: 393437.
  • 122
    Whiten A,Goodall J,McGrew WC,Nishida T,Reynolds V,Sugiyama Y,Tutin CEG,Wrangham RW,Boesch C. 1999. Cultures in chimpanzees. Nature 399: 682685.
  • 123
    van Schaik CP,Ancrenaz M,Borgen G,Galdikas B,Knott CD,Singleton I,Suzuki A,Utami SS,Merrill M. 2003. Orangutan cultures and the evolution of material culture. Science 299: 102105.
  • 124
    Wilson DS,Timmel JJ,Miller RR. 2004. Cognitive cooperation: when the going gets tough, think as a group. Hum Nat 15: 126.
  • 125
    van Schaik CP,Burkart JM. n.d. Mind the gap: cooperative breeding and the evolution of our unique features. In: KappelerPM,SilkJ, editors. Mind the gap: tracing the origins of human universals. In press.
  • 126
  • 127
    Walker A,Shipman P. 1996. The wisdom of the bones. New York: Alfred Knopf.
  • 128
    Behne T,Carpenter M,Gräfenhain M,Liebal K,Liszkowski U,Moll H,Rakoczy H,Tomasello M,Warneken F,Wyman E. 2008. Cultural learning and creation. In: MüllerU,CarpendaleJ,BudwigN,SokolB, editors. Social life and social knowledge: toward a process account of development. Mahwah, NJ: Erlbaum. p 65101.