9.5: References

Breuer, T., Ndoundou-Hockemba, M., & Fishlock, V. (2005). First observation of tool use in wild gorillas. PLoS biology, 3(11), e380. https://doi.org/10.1371/journal.pbio.0030380

Challenger, M. (2020). How to Be Animal: A New History of What it Means to Be Human. New York, NY: Penguin Books.

Clay, Z., & de Waal, F. B. M. (2013). Bonobos respond to distress in others: Consolation across age, sex, and social closeness. PLOS ONE, 8(1), e55206. https://doi.org/10.1371/journal.pone.0055206

Hare, B., Melis, A. P., Woods, V., Hastings, S., & Wrangham, R. (2007). Tolerance allows bonobos to outperform chimpanzees on a cooperative task. Current Biology, 17(7), 619–623.
https://doi.org/10.1016/j.cub.2007.02.040

Hare, B., & Kwetuenda, S. (2010). Bonobos voluntarily share their own food with others. Current Biology, 20(5), R230–R231. https://doi.org/10.1016/j.cub.2010.01.029

Hare, B. and V. Woods (2021). Survival of the Friendliest: Understanding Our Origins and Rediscovering Our Common Humanity. New York: Random House.

Kaesuk Yoon, C. (2009) Naming Nature: The Clash Between Instinct and Science. New York, NY: W.W. Norton & Co.

Miller, L. (2021). Why Fish Don't Exist: A Story of Love, Loss, and the Hidden Order of Life. New York: NY: Simon and Schuster.

Quaglia, Sofia (2025, Feb 4). This deer-riding monkey could rewrite the story of evolution. Here’s why. BBC Science Focus. https://www.sciencefocus.com/comment/monkey-deer-animal-friendship

Tan, J., & Hare, B. (2013). Bonobos share with strangers. PLOS ONE, 8(6), e51922.
https://doi.org/10.1371/journal.pone.0051922

Tokuyama, N., Sakamaki, T., Sato, S., Oelze, V. M., & Furuichi, T. (2021). Unrelated adult female bonobos adopt infants. Scientific Reports, 11, 22671.
https://doi.org/10.1038/s41598-021-02021-9

van Schaik, C. P. et al. (2003). Orangutan cultures and the evolution of material culture. Science, 299(5603), 102–105.

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