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Gilby, I.C., Machanda, Z.P., O’Malley, R.C., Murray, C.M., Lonsdorf, E.V., Walker, K., Mjungu, D.C., Otali, E., Muller, M.N., Emery Thompson, M., Pusey, A.E., Wrangham, R.W. 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.


Bray, J., Pusey, A.E., Gilby, I.C. (2016) Incomplete control and concessions explain mating skew in male chimpanzees. Proceedings of the Royal Society Series B. 283: 20162071.


Foerster, S., Franz, M., Murray, C.M., Gilby, I.C., Feldblum, J.T., Walker, K.K., Pusey, A.E. (2016) Chimpanzee females queue but males compete for social status. Scientific Reports 6: 35404.

Borries, C., Sandel, A., Koenig, A., Fernandez-Duque, E., Kamilar, J., Amoroso, C., Barton., R., Bray, J., Di Fiore, A., Gilby, I., Gordon, A., Mundry, R., Port, M., Powell, L., Spriggs, A., Nunn, C. (2016) Transparancy, usability, and reproducibility: guiding principles for improving comparative databases using primates as examples. Evolutionary Anthropology 25: 232-238.

Stevens, J.R., Marewski, J.N., Schooler, L.J., Gilby, I.C. (2016). Reflections of the social environment in chimpanzee memory: applying rational analysis beyond humans. Royal Society Open Science 3: 160293.

O'Malley, R.C., Stanton, M.A., Gilby, I.C., Lonsdorf, E.V., Pusey, A.E., Markham, A.C., Murray, C.M. (2016). Reproductive state and rank influence patterns of meat consumption in wild female chimpanzees (Pan troglodytes schweinfurthii). Journal of Human Evolution 90: 16-28

Gilby, I.C., Machanda, Z.P., Mjungu, D.C., Rosen, J. Muller, M.N., Pusey, A.E., Wrangham, R.W. (2015). Impact hunters catalyse cooperative hunting in two wild chimpanzee communities. Philosophical Transactions of the Royal Society Series B: 370: 20150005

Foerster, S., McLellan, K., Schroepfer-Walker, K., Murray, C. M., Krupenye, C., Gilby, I. C. & Pusey, A. E. (2015). Social bonds in the dispersing sex: partner preferences among adult female chimpanzees. Animal Behaviour: 105: 139-152.


Feldblum, J. T., Wroblewski, E. E., Rudicell, R. S., Hahn, B. H., Paiva, T., Cetinkaya-Rundel, M., Pusey, A. E. & Gilby, I. C. (2014). Sexually Coercive Male Chimpanzees Sire More Offspring. Current Biology 24: 2855-2860.

Wilson, M.L., Boesch, C., Fruth, B., Furuichi, T., Gilby, I.C., Hashimoto, C., Hobaiter, C., Hohmann, G., Itoh, N., Koops, K., Lloyd, J., Matsuzawa, T., Mitani, J.C., Mjungu, D.C., Morgan, D., Muller, M.N., Mundry, R., Nakamura, M., Pruetz, J., Pusey, A.E., Riedel, J., Sanz, C., Schel, A., Simmons, N., Waller, M., Watts, D.P., White, F.J., Wittig, R.M., Zuberbühler, K. & Wrangham, R.W. (2014).  Lethal aggression in Pan is better explained by adaptive strategies than human impacts. Nature 513: 414-417.

Tennie, C., O'Malley, R.C. & Gilby, I. C. (2014).  Why do chimpanzees hunt? Considering the benefits and costs of acquiring and consuming vertebrate versus invertebrate prey. Journal of Human Evolution 71: 38-45.



Machanda, Z.P., Gilby, I.C. & Wrangham, R.W. (2014).  Mutual grooming among adult male chimpanzees: The immediate investment hypothesis. Animal Behaviour 87: 165–174.



Miller, J.A., Pusey, A.E., Gilby, I.C., Schroepfer-Walker, K., Markham, A.C. & Murray, C. M. (2014).  Competing for space: female chimpanzees are more aggressive inside than outside their core areas. Animal Behaviour 87: 147-152.



Machanda, Z.P., Gilby, I.C., & Wrangham R.W. (2013).  Male-female association patterns among free-ranging chimpanzees (Pan troglodytes schweinfurthii). International Journal of Primatology 34: 917-938.



Gilby, I.C., Wilson, M.L., & Pusey, A.E. (2013). Ecology rather than psychology explains co-occurrence of predation and border patrols in male chimpanzees. Animal Behaviour 86: 61-74.



Gilby, I.C., Brent, L.J.N., Wroblewski, E.E., Rudicell, R.S., Hahn, B.H., Goodall, J. & Pusey, A.E. (2013). Fitness benefits of coalitionary aggression in male chimpanzees. Behavioral Ecology and Sociobiology 67: 373-381.



Crofoot, M.C. & Gilby, I.C. (2012).  Cheating monkeys undermine group strength in enemy territory. Proceedings of the National Academy of Sciences, USA 109: 501-505.



Gilby, I.C. (2012). Nonkin cooperation: reciprocity, markets and mutualism. In: Evolution of Primate Societies (Ed. by Mitani, J., Call, J., Kappeler, P., Palombit, R., & Silk, J.). pp 514-530. Chicago, IL: University of Chicago Press.



Pintea, L., Pusey, A.E., Wilson, M.L., Gilby, I.C., Collins, D.A., Kamenya, S., Goodall, J. (2012). Long-term ecological changes affecting the chimpanzees of Gombe National Park, Tanzania. In: Long Term Changes in Africa’s Rift Valley: impacts on biodiversity and ecosystems (Ed. by Plumptre, A.J.). pp 194-210. New York: Nova Science Publishers



Lonsdorf, E.V., Murray, C.M., Lonsdorf, E.V., Travis, D.A., Gilby, I.C., Chosy, J., Pusey, A.E., Goodall, J. (2011). A retrospective analysis of factors correlated to chimpanzee (Pan troglodytes schweinfurthii) respiratory health at Gombe National Park. EcoHealth 8:26-35.



Gilby, I.C., Emery Thompson, M., Ruane, J., Wrangham, R.W. (2010). No evidence of short-term exchange of meat for sex among chimpanzees. Journal of Human Evolution 59: 44-53.



Gilby, I.C.  & Connor, R.C. (2010). The role of intelligence in group hunting: Are chimpanzees different from other social predators? In: The Mind of the Chimpanzee: Ecological and Experimental Perspectives (Ed. by Lonsdorf, E. V., Ross, S. R. & Matsuzawa, T.). pp 220-233. Chicago, IL: University of Chicago Press.



Gilby, I.C., Pokempner, A. A., Wrangham, R. W. (2010). A direct comparison of scan and focal sampling methods for measuring wild chimpanzee feeding behaviour. Folia Primatologica 81: 254-264.



Foster, M.W., Gilby, I.C., Murray, C.M., Johnson, A., Wroblewski, E.E., Pusey, A.E. (2009). Alpha male chimpanzee grooming patterns: implications for dominance ‘style’. American Journal of Primatology 71: 136-144.



Tennie, C., Gilby, I.C., Mundry, R. (2009). The meat-scrap hypothesis: small quantities of meat may promote cooperative hunting in wild chimpanzees. Behavioral Ecology and Sociobiology 63: 421-431.



Gilby, I.C. & Wrangham, R.W. (2008). Association patterns among wild chimpanzees (Pan troglodytes schweinfurthii) reflect sex differences in cooperation. Behavioral Ecology and Sociobiology 62: 1831-1842.



Gilby, I.C., Eberly, L.E., Wrangham, R.W. (2008). Economic profitability of social predation among wild chimpanzees: individual variation promotes cooperation. Animal Behaviour 75: 351-360.



Crofoot, M.C., Gilby, I.C., Wikelski, M.C., Kays, R.W. (2008). Interaction location outweighs the competitive advantage of numerical superiority in Cebus capucinus intergroup contests. Proceedings of the National Academy of Sciences, USA 105: 577-581.



Murray C.M., Gilby I.C., Mane S.V., Pusey A.E. (2008). Adult male chimpanzees inherit maternal ranging patterns. Current Biology 18: 20-24.



Wrangham, R.W., Crofoot M.C., Lundy R., Gilby I.C. (2007). Use of overlap zones in group-living primates: a test of the risk hypothesis. Behaviour 144: 1599-1619.



Gilby, I.C. & Wrangham, R.W. (2007). Risk-prone hunting by chimpanzees (Pan troglodytes schweinfurthii) increases during periods of high diet quality. Behavioral Ecology and Sociobiology 61: 1771-1779.



Emery Thompson, M., Kahlenberg, S.M., Gilby, I.C., Wrangham, R.W. (2007). Within-community variation in habitat quality accounts for variance in reproductive success among female chimpanzees at Kibale National Park, Uganda. Animal Behaviour 73: 501-512.



Gilby, I.C., Eberly, L.E., Pintea, L., Pusey, A.E. (2006). Ecological and social influences on the hunting behaviour of wild chimpanzees, Pan troglodytes schweinfurthii. Animal Behaviour 72: 169-180.



Gilby, I.C. (2006). Meat sharing among the Gombe chimpanzees: Harassment and reciprocal exchange. Animal Behaviour 71: 953-963.



Stevens, J.R. & Gilby, I.C. (2004). A conceptual framework for non-kin food sharing: timing and currency of benefits. Animal Behaviour 67: 603-614.


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