class="p1">de Waal, F. B. M., and L. M. Luttrell. 1985. The formal hierarchy of rhesus monkeys: An investigation of the bared-teeth display. American Journal of Primatology 9:73–85.

de Waal, F. B. M., and J. J. Pokorny. 2008. Faces and behinds: Chimpanzee sex perception. Advanced Science Letters 1:99–103.

de Waal, F. B. M., and S. D. Preston. 2017. Mammalian empathy: Behavioral manifestations and neural basis. Nature Reviews: Neuroscience 18:498–509.

de Waal, F. B. M., and A. van Roosmalen. 1979. Reconciliation and consolation among chimpanzees. Behavioral Ecology and Sociobiology 5:55–66.

Deaner, R. O., S. M. Balish, and M. P. Lombardo. 2015. Sex differences in sports interest and motivation: An evolutionary perspective. Evolutionary Behavioral Sciences 10:73–97.

Deardorff, J., et al. 2010. Father absence, body mass index, and pubertal timing in girls: Differential effects by family income and ethnicity. Journal of Adolescent Health 48:441–47.

Demuru, E., et al. 2020. Foraging postures are a potential communicative signal in female bonobos. Scientific Reports 10:15431.

Demuru, E., P. F. Ferrari, and E. Palagi. 2018. Is birth attendance a uniquely human feature? New evidence suggests that bonobo females protect and support the parturient. Evolution and Human Behavior 39:502–10.

Demuth, S., and S. L. Brown. 2004. Family structure, family processes, and adolescent delinquency: The significance of parental absence versus parental gender. Journal of Research in Crime and Delinquency 41:58–81.

Denworth, L. 2020. Friendship: The Evolution, Biology, and Extraordinary Power of Life's Fundamental Bond. New York: Norton.

Derks, B., et al. 2018. De keuze van vrouwen voor deeltijd is minder vrij dan we denken. Sociale Vraagstukken, November 23, 2018 (Dutch).

Derntl, B., et al. 2010. Multidimensional assessment of empathic abilities: Neural correlates and gender differences. Psychoneuroendocrinology 35:67–82.

Despret, V. 2009. Culture and gender do not dissolve into how scientists «read» nature: Thelma Rowell's heterodoxy. In Rebels of Life: Iconoclastic Biologists in the Twentieth Century, ed. O. Harman and M. Friedrich, pp. 340–55. New Haven, CT: Yale University Press.

Diamond, J. 1992. The Third Chimpanzee: The Evolution and Future of the Human Animal. New York: HarperCollins.

Diamond, M., and H. K. Sigmundson. 1997. Sex reassignment at birth: Longterm review and clinical implications. Archives of Pediatrics and Adolescent Medicine 151:298–304.

Dienske, H., W. van Vreeswijk, and H. Koning. 1980. Adequate mothering by partially isolated rhesus monkeys after observation of maternal care. Journal of Abnormal Psychology 89:489–92.

Diogo, R., J. L. Molnar, and B. Wood. 2017. Bonobo anatomy reveals stasis and mosaicism in chimpanzee evolution, and supports bonobos as the most appropriate extant model for the common ancestor of chimpanzees and humans. Scientific Reports 7:608.

DiPietro, J. A. 1981. Rough and tumble play: A function of gender. Developmental Psychology, 17:50–58.

Dixon, A. 2010. Homosexual behaviour in primates. In Animal Homosexuality: A Biosocial Perspective, ed. A. Poiani, pp. 381–99. Cambridge, UK: Cambridge University Press.

Eckes, T., and H. M. Trautner, eds. 2000. The Developmental Social Psychology of Gender. New York: Psychology Press.

Edwards, C. P. 1993. Behavioral sex differences in children of diverse cultures: The case of nurturance to infants. In Juvenile Primates: Life History, Development, and Behavior, ed. M. E. Pereira and L. A. Fairbanks, pp. 327–38. New York: Oxford University Press.

Edwards, C. P. 2005. Children's play in cross-cultural perspective: A new look at the six cultures study. Cross-Cultural Research 34:318–38.

Ehmann, B., et al. 2021. Sex-specific social learning biases and learning outcomes in wild orangutans. PLOS 19: e3001173.

Ellis, B. J., et al. 2003. Does father absence place daughters at special risk for early sexual activity and teenage pregnancy? Child Development 74:801–21.

Fagen, R. 1993. Primate juveniles and primate play. In Primate Juveniles: Life History, Development, and Behavior, ed. M. E. Pereira and J. A. Fairbanks, pp. 182–96. New York: Oxford University Press.

Fairbanks, L. 2000. Maternal investment throughout the life span in Old World monkeys. In Old World Monkeys, ed. P. F. Whitehead and C. J. Jolly, pp. 341–67. Cambridge, UK: Cambridge University Press.

Fairbanks, L. A. 1990. Reciprocal benefits of allomothering for female vervet monkeys. Animal Behaviour 40:553–62.

—. 1993. Juvenile vervet monkeys: Establishing relationships and practicing skills for the future. In Juvenile Primates: Life History, Development, and Behavior, ed. M. E. Pereira and L. A. Fairbanks, pp. 211–27. New York: Oxford University Press.

Fausto-Sterling, A. 1993. The five sexes: Why male and female are not enough. Sciences 33:20–24.

Fedigan, L. M. 1982. Primate Paradigms: Sex Roles and Social Bonds. Montreal: Eden Press.

—. 1994. Science and the successful female: Why there are so many women primatologists. American Anthropologist 96:529–40.

Feldblum, J. T., et al. 2014. Sexually coercive male chimpanzees sire more offspring. Current Biology 24:2855–60.

Feldman, R., K. Braun, and F. A. Champagne. 2019. The neural mechanisms and consequences of paternal caregiving. Nature Reviews Neuroscience 20:205–24.

FeldmanHall, O., et al. 2016. Moral chivalry: Gender and harm sensitivity predict costly altruism. Social Psychological and Personality Science 7:542–51.

Finch, C. 2016. Compassionate ostrich offers comfort to baby elephants at orphaned animal sanctuary. My Modern Met, October 8, 2016.

Flack, J. C., D. C. Krakauer, and F. B. M. de Waal. 2005. Robustness mechanisms in primate societies: A perturbation study. Proceedings of the Royal Society London B 272:1091–99.

Flanagan, J. 1989. Hierarchy in simple «egalitarian» societies. Annual Review of Anthropology 18:245–66.

Flemming, A. S., et al. 2002. Mothering begets mothering: The transmission of behavior and its neurobiology across generations. Pharmacology, Biochemistry and Behavior 73:61–75.

Flores, A. R., et al. 2016. How Many Adults Identify as Transgender in the United States? Los Angeles: UCLA Williams Institute.

Foerster, S., et al. 2016. Chimpanzee females queue but males compete for social status. Scientific Reports 6:35404.

Ford, C. S., and F. A. Beach. 1951. Patterns of Sexual Behavior. New York: Harper and Brothers.

Forman, J., et al. 2019. Automobile injury trends in the contemporary fleet: Belted occupants in frontal collisions. Traffic Injury Prevention 20:607–12.

Forrester, G. S., et al. 2019. The left cradling bias: An evolutionary facilitator of social cognition? Cortex 118:116–31.

Foster, M. W., et al. 2009. Alpha male chimpanzee grooming patterns: Implications for dominance «style.» American Journal of Primatology 71:136–44.

Fraser, O. N., and F. Aureli. 2008. Reconciliation, consolation and postconflict behavioral specificity in chimpanzees. American Journal of Primatology 70:1114–23.

French, M. 1985. Beyond Power: On Women, Men, and Morals. New York: Ballantine Books.

Frumin, I., et al. 2015. A social chemosignaling function for human handshaking. eLife 4: e05154.

Fry, D. P. 2006. The Human Potential for Peace. New York: Oxford University Press.

—. 2013. War, Peace, and Human Nature: The Convergence of Evolutionary and Cultural Views. Oxford: Oxford