Primate Behavioral Ecology Lab Publications

Select Lab Member Publications:


Stanton MA, Lonsdorf EV, Pusey AE, and CM Murray. 2017. Do juveniles help or hinder? Influence of juvenile offspring on maternal behavior and reproductive outcomes in wild chimpanzees. Journal of Human Evolution 111: 152-162. 

Gilby IC, Machanda ZP, O'Malley RC, Murray CM, Lonsdorf EV, Walker K, Mjungu DC, Otali E, Muller MN, Thompson ME, Pusey AE, and RW Wrangham. 2017. Predation by female chimpanzees: Toward an understanding of sex differences in meat acquisition in the last common ancestor of Pan and Homo. Journal of Human Evolution 110: 82-94. 

Miller JA, Stanton MA, Lonsdorf EV, Wellens KR, Markham AC, and CM Murray. 2017. Limited evidence for third-party affiliation during development in wild chimpanzees. Royal Society Open Science 4: 170500.  



Murray CM, Stanton MA, Lonsdorf EV, Wroblewski EE, and AE Pusey. 2017. Chimpanzee fathers bias their behaviour towards their offspring.  Royal Society Open Science 11: 160441.
Lonsdorf EV, Gillespie TR, Wolf TM, Lipende I, Raphael J, Bakuza J, Murray CM, Wilson ML, Kamenya S, Mjungu D, and DA Collins. 2016. Socioecological correlates of clinical signs in two communities of wild chimpanzees (Pan troglodytes) at Gombe National Park, Tanzania. American Journal of Primatology.

Foerster S, Zhong Y, Pintea L, Murray CM, Wilson ML, Mjungu DC, and AE Pusey. 2016. Feeding habitat quality and behavioral trade-offs in chimpanzees: a case for species distribution models. Behavioral Ecology 24: 1004-1016.

Lantz EL, Lonsdorf EV, Heintz MR, Murray CM, Lipende I, Travis DA, and RM Santymire. 2016. Non‐invasive quantification of immunoglobulin A in chimpanzees (Pan troglodytes schweinfurthii) at Gombe National Park, Tanzania. American Journal of Primatology.

Murray CM, Stanton MA, Wellens KR, Santymire RM, Heintz MR, and EV Lonsdorf. 2016. Maternal effects on offspring stress physiology in wild chimpanzees. American Journal of Primatology.

O'Malley RC, Stanton MA, Gilby IC, Lonsdorf EV, Pusey A, Markham AC, and CM Murray.  2016.  Reproductive state and rank influence patterns of meat consumption by wild female chimpanzees (Pan troglodytes). Journal of Human Evolution 90, 16-28


Markham AC, Lonsdorf EV, Pusey AE, and CM Murray. 2015. Maternal rank influences the outcome of aggressive interactions between immature chimpanzees. Animal Behaviour, 100: 192-198.

Stanton MA, Heintz MR, Lonsdorf EV, Santymire RM, Lipende I, and CM Murray.  2015.  Maternal behavior and physiological stress levels in wild chimpanzees (Pan troglodytes schweinfurthii).  International Journal of Primatology 36: 473-488.

Foerster S, McLellan K, Schroepfer-Walker K, Murray CM, Krupenye C, Gilby IC, and AE Pusey. Social bonds in the dispersing sex: partner preferences among adult female chimpanzees. Animal Behaviour 105:139-52.


Lonsdorf EV, Anderson KE, Stanton MA, Shender M, Heintz MR, and CM Murray. 2014. Boys will be boys: sex differences in wild infant chimpanzee social interactions.  Animal Behaviour 88: 79-83.

Lonsdorf EV, Markham AC, Heintz MR, Anderson KE, Ciuk DJ, Goodall J, and CM Murray. 2014. Sex differences in wild chimpanzee behavior emerge during infancy.  PLoS ONE: e99099.

Markham AC, Santymire RM, Lonsdorf EV, Heintz MR, Lipende I, and CM Murray. 2014. Rank effects on social stress in lactating chimpanzees. Animal Behaviour 87: 195-202.

Miller JA, Pusey AE, Gilby IC, Schroepfer-Walker K, Markham AC, and CM Murray. 2014. Competing for space: female chimpanzees are more aggressive inside their core areas than outside. Animal Behaviour 87: 147-152.

Murray CM, Lonsdorf EV, Stanton MA, Wellens KR, Miller JA, Goodall J, & AE Pusey. (2014). Early social exposure in wild chimpanzees: Mothers with sons are more gregarious than mothers with daughters.  Proceedings of the National Academy of Sciences 111(51):18189-18194.

O’Malley RC & WC McGrew. 2014. Primates, insects and insect resources. Journal of Human Evolution 71: 1-3.

O’Malley RC & ML Power. 2014. The energetic and nutritional yields from insectivory for Kasekela chimpanzees. Journal of Human Evolution 71: 46-58.

Stanton MA, Lonsdorf EV, Pusey AE, Goodall J, and CM Murray. 2014. Maternal behavior by birth order in wild chimpanzees: Increased investment by first-time mothers. Current Anthropology 55: 483-489.

Stanton MA and J Mann.  2014.  Social network analysis: Applications to primate and cetacean societies. In Primates and cetaceans: Field research and conservation of complex mammalian societies, ed. Yamagiwa J. & Karczmarski L. Springer.

Stanton MA and J Mann.  2014. Shark Bay bottlenose dolphins: A case study for defining and measuring sociality. In Primates and cetaceans: Field research and conservation of complex mammalian societies, ed. Yamagiwa J. & Karczmarski L. Springer.

Tennie C, O’Malley RC, Gilby I . 2014. Why do chimpanzees hunt? A cost-benefit analysis of acquiring and consuming vertebrate versus invertebrate prey. Journal of Human Evolution 71: 38-45.


Murray CM, Heintz M, Lonsdorf EV, Parr LA, and RM Santymire. 2013. Validation of a field technique and characterization of fecal glucocorticoid metabolite analysis in wild chimpanzees (Pan troglodytes). American Journal of Primatology 75: 57-84.


O’Malley RC, Wallauer W, Murray CM, and J Goodall. 2012. The appearance and spread of ant-fishing among the Kasekela chimpanzees of Gombe: A case of inter-community transmission of a cultural behavior? Current Anthropology 53: 650-663.

Stanton M.A., Mann J. 2012. Early social networks predict survival in wild bottlenose dolphins. Plos BIO 7(10): e4708.

O’Malley RC, Power ML. 2012. Nutritional composition of actual and potential insect prey for the chimpanzees of Gombe National Park, Tanzania. American Journal of Physical Anthropology 149(4): 493-503.

Stewart FA, Piel AK, O’Malley RC. 2012. Responses of chimpanzees to a recently dead community member at Gombe National Park, Tanzania. American Journal of Primatology 74(1): 1-7.


Lonsdorf EV, Murray CM, Lonsdorf EV, Travis DA, Gilby IC, Chosy J, Goodall J, and AE Pusey. 2011. A retrospective analysis of factors correlated to chimpanzee (Pan troglodytes schweinfurthii) respiratory health at Gombe National Park. Ecohealth 8: 26-35.

Stanton MA, Gibson QA, Mann J. 2011. When mum’s away: A study of mother and calf ego networks during separations in wild bottlenose dolphins (Tursiops sp.). Animal Behaviour, 83, 405-412.


Jones JH, Wilson ML, Murray CM, and AE Pusey. 2010. Phenotypic quality influences fertility in Gombe Chimpanzees. Journal of Animal Ecology 79: 1262-1269.

O’Malley RC. 2010. Two observations of predation on galagos by Gombe chimpanzees. Pan Africa News 17(2): 17-19.

Scheffrahn RH, O’Malley RC. 2010. A new termite (Isoptera: Termitidae: Termitinae: Proboscitermes) from Tanzania. Zootaxa 2670: 52-58.


Murray CM, Lonsdorf EV, Eberly LE, and AE Pusey. 2009. Rank-dependent reproductive energetics in free-living female chimpanzees. Behavioral Ecology 20: 1211-1216.

Wroblewski EE, Murray CM, Keele B, Hahn B, Schumacher-Stankey J, and AE Pusey. 2009. Male dominance rank and reproductive success in wild chimpanzees. Animal Behaviour 77: 873-885.

Foster MW, Gilby IC, Murray CM, Johnson A, Wroblewski EE, and AE Pusey. 2009. Alpha male chimpanzee grooming patterns: implications for dominance ‘style’. American Journal of Primatology 71: 136-144.


Murray CM, Gilby I, Mane SV, and AE Pusey. 2008. Male chimpanzees inherit maternal ranging patterns. Current Biology 18: 20–24.

Stanford CB, O’Malley RC. 2008. Sleeping tree choice by Bwindi chimpanzees. American Journal of Primatology 70: 642-649


Murray CM, Mane SV, and AE Pusey. 2007. Dominance rank influences female chimpanzee space use: Towards an ideal despotic distribution. Animal Behaviour 74: 1795-1804.

Murray CM, Wroblewski EE, and AE Pusey. 2007. A new case of intra-group infanticide in the chimpanzees of Gombe National Park. International Journal of Primatology 28: 23-37.