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Bergman, T. J., Beehner, J. C., Cheney, D. L., Seyfarth, R. M. & Whitten, P. L. 2005. Correlates of stress in free-ranging male chacma baboons, Papio hamadryas ursinus. Animal Behaviour, 70, 703-713.
Seyfarth, R., Cheney, D. & Bergman, T. 2005. Primate social cognition and the origins of language. Trends in Cognitive Sciences, 9, 264-266.
Engh, A. L., Beehner, J. C., Bergman, T. J., Whitten, P. L., Hoffmeier, R. R., Seyfarth, R. M. & Cheney, D. L. 2006. Behavioural and hormonal responses to predation in female chacma baboons (Papio hamadryas ursinus). Proceedings of the Royal Society B-Biological Sciences, 273, 707-712.
Beehner, J. C., Bergman, T. J., Cheney, D. L., Seyfarth, R. M. & Whitten, P. L. 2006. Testosterone predicts future dominance rank and mating activity among male chacma baboons. Behavioral Ecology and Sociobiology, 59, 469-479.
Bergman, T. J., Beehner, J. C., Cheney, D. L. & Seyfarth, R. M. 2006. Interactions in male baboons: the importance of both males’ testosterone. Behavioral Ecology and Sociobiology, 59, 480-489.
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