It Takes Balls to be a Girl Boss
Assessing the Influence of Androgens in the Emergence of Female Leaders
Keywords:Women in Leadership, Girl Boss, Endocrinological Mechanisms, Crocuta crocuta, Sexual Dimorphism, Endocrines and Masculinisation, Cross-species endocrinology, Social Dominance, Gender Roles, Prescriptive Gender Stereotypes, Androgens, Leadership Perceptions, Biological Essentialism
In the vast majority of mammalian societies, males enjoy the highest social ranking, a dichotomy that is largely modulated by sex hormones known as androgens. However, in some species, like the spotted hyena (Crocuta crocuta), these pervasive sex roles have been reversed, such that highly “masculinised” females have become the dominant sex. Drawing on observations from the natural world, this paper explores the relevance of the endocrinological mechanisms underlying the emergence of female leaders in these species to humans and considers to what extent androgens may influence the procurement and ultimate trajectory of female leadership in a species where women must overcome societal, as well as biological, challenges.
• Glickman, S. E., Frank, L. G., Davidson, J. M., Smith, E. R. & Siiteri, P. K. Androstenedione may organize or activate sex-reversed traits in female spotted hyenas. Proc. Natl. Acad. Sci. U. S. A. 84, 3444–3447 (1987).
• Frank, L. G. Androgen levels in the spotted hyaena Crocuta crocuta: the influence of social factors. J. Zool. 206, 525–531 (1985).
• Jennifer E Smith, K. E. H. Spotted Hyenas. in Encyclopedia of Animal Behaviour vol. 3 190–208 (2019).
• Holekamp, K. E. Spotted hyenas. Curr. Biol. 16, 944–945 (2006).
• von Engelhardt, N., Kappeler, P. M. & Heistermann, M. Androgen levels and female social dominance in Lemur catta. Proc. R. Soc. B Biol. Sci. 267, 1533–1539 (2000).
• Smith, B. R. & Blumstein, D. T. Fitness consequences of personality: a meta-analysis. Behav. Ecol. 19, (2008).
• Mazur, A. Hormones, aggression and dominance in humans. in Hormones and Aggressive Behaviour (ed. Svare, B. B.) 563–576 (Springer, 1983). Wilson, J. D. The role of androgens in male gender role behavior. Endocr. Rev. 20, 726–737 (1999).
• Hönekopp, J., T. Manning, J. & Müller, C. Digit ratio (2D:4D) and physical fitness in males and females: Evidence for effects of prenatal androgens on sexually selected traits. Horm. Behav. 49, 545–549 (2006).
• Burger, H. G. Androgen production in women. Fertil. Steril. 77, S3–S5 (2002).
• Dloniak, S. M., French, J. A. & Holekamp, K. E. Rank-related maternal effects of androgens on behaviour in wild spotted hyaenas. Nature 440, 1190–1193 (2006).
• Drea, C. M. Sex and seasonal differences in aggression and steroid secretion in Lemur catta: Are socially dominant females hormonally ‘masculinized’? 51, 555–567 (2007).
• Eaton, G. G., Goy, R. W. & Phoenix, C. H. Effects of testosterone treatment in adulthood on sexual behaviour of female pseudohermaphrodite rhesus monkeys. Nat. New Biol. 242, 119–220 (1973).
• Van Der Linden, D., Dutton, E. & Madison, G. National-level indicators of androgens are related to the global distribution of scientific productivity and science Nobel Prizes. J. Creat. Behav. (2018)
• Lord, R. G., De Vader, C. L. & Alliger, G. M. A meta-analysis of the relation between personality traits and leadership perceptions: An application of validity generalization procedures. J. Appl. Psychol. 71, 402–410 (1986).
• Schaumberg, R. L. & Flynn, F. J. Self-reliance: A gender perspective on its relationship to communality and leadership evaluations. Acad. Manag. J. 60, 1859–1881 (2017).
• Rudman, L. A. & Glick, P. Prescriptive gender stereotypes and backlash toward agentic women. J. Soc. Issues 57, 743–762 (2001).
• Browne, K. R. Evolved sex differences and occupational segregation. J. Organ. Behav. 162, 143–162 (2006).
• Cooke, B. M., Tabibnia, G. & Breedlove, S. M. A brain sexual dimorphism controlled by adult circulating androgens. Proc. Natl. Acad. Sci. U. S. A. 96, 7538–7540 (1999).
• Eurostat. International Women’s Day News Release. (2019).
• Hagmar, M., Berglund, B., Brismar, K. & Hirschberg, A. L. Hyperandrogenism may explain reproductive dysfunction in Olympic athletes. Med. Sci. Sports Exerc. 41, 1241–1248 (2009).
• Bermon, S. Androgens and athletic performance of elite female athletes. Curr. Opin. Endocrinology, Diabetes Obes. 24, 246–251 (2017).