Spinka, M., R. C. Newberry, and M. Bekoff. 2001. Mammalian play: Training for the unexpected.
Staes, N., et al. 2017. FOXP2 variation in great ape populations offers insight into the evolution of communication skills.
Stanford, C. B. 1998. The social behavior of chimpanzees and bonobos.
Stavro, E. 1999. The use and abuse of Simone de Beauvoir: Re-evaluating the French poststructuralist critique.
Stern, B. R., and D. G. Smith. 1984. Sexual behaviour and paternity in three captive groups of rhesus monkeys.
Stöckl, H., et al. 2013. The global prevalence of intimate partner homicide: A systematic review.
Strum, S. C. 2012. Darwin's monkey: Why baboons can't become human.
Stulp, G., A. P. Buunk, and T. V. Pollet. 2013. Women want taller men more than men want shorter women.
Stumpf, R. M., and C. Boesch. 2010. Male aggression and sexual coercion in wild West African chimpanzees, Pan troglodytes verus
Stutchbury, B. J. M., et al. 1997. Correlates of extra-pair fertilization success in hooded warblers.