The 2D:4D digit ratio and social behaviour in wild female chacma baboons (Papio ursinus) in relation to dominance, aggression, interest in infants, affiliation and heritability (2014)
Journal Article
Howlett, C., Setchell, J., Hill, R., & Barton, R. (2015). The 2D:4D digit ratio and social behaviour in wild female chacma baboons (Papio ursinus) in relation to dominance, aggression, interest in infants, affiliation and heritability. Behavioral Ecology and Sociobiology, 69(1), 61-74. https://doi.org/10.1007/s00265-014-1817-5

Prenatal androgens are responsible for sex differences in behaviour and morphology in many species, causing changes in neural structure and function that persist throughout life. Some variation in the expression of behaviour between individuals of th... Read More about The 2D:4D digit ratio and social behaviour in wild female chacma baboons (Papio ursinus) in relation to dominance, aggression, interest in infants, affiliation and heritability.

Do non-human primates synchronise their menstrual cycles? A test in mandrills (2011)
Journal Article
Setchell, J., Kendal, J., & Tyniec, P. (2011). Do non-human primates synchronise their menstrual cycles? A test in mandrills. Psychoneuroendocrinology, 36(1), 51-59. https://doi.org/10.1016/j.psyneuen.2010.06.004

The concept of female cycle (or estrous) synchrony has enduring popular appeal. However, critical reviews of estrous synchrony studies in both humans and non-humans have found that synchrony has not been demonstrated convincingly, due to methodologic... Read More about Do non-human primates synchronise their menstrual cycles? A test in mandrills.