\[ **BT: [[primates]]** ] --- # *Pan troglodytes* (chimpanzees) > ‘The chimpanzee \[…] also simply known as the chimp, is a species of great ape native to the forests and savannahs of tropical Africa. It has four confirmed subspecies and a fifth proposed one.’[^1] --- ## ecology [[Chimpanzees live in a wide range of habitats.]][^2] ## anatomy Male chimpanzees are in possession of a [[life#baculum|baculum]].[^3] ## social behaviour [[Chimpanzees live in permanent social groups, in which males co-operatively defend group territory; inter-group hostilities are hostile and sometimes lethal.]][^4] ### reproduction #### lactation [[Chimpanzees wean their young at around 4–5 years of age.]][^5] [^1]: ’Chimpanzee’, Wikipedia, last edited 6 March 2025, 23:078 (UTC), https://en.wikipedia.org/wiki/Chimpanzee. [^2]: Anne E. Pusey, ‘[[Pusey, ‘Warlike chimpanzees and peacemaking bonobos’, 2022|Warlike Chimpanzees and Peacemaking Bonobos]]’, *Proceedings of the National Academy of Sciences*, vol. 119, no. 31 (2022), p. 3, https://doi.org/10.1073/pnas.2208865119. [^3]: ‘Baculum’, Wikipedia, last edited 9 March 2025, 07:43 (UTC), https://en.wikipedia.org/wiki/Baculum. Text is available under the [Creative Commons Attribution-ShareAlike 4.0 License](https://en.wikipedia.org/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License "Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License"). [^4]: Anne E. Pusey, ‘[[Pusey, ‘Warlike chimpanzees and peacemaking bonobos’, 2022|Warlike Chimpanzees and Peacemaking Bonobos]]’, *Proceedings of the National Academy of Sciences*, vol. 119, no. 31 (2022), p. 1, https://doi.org/10.1073/pnas.2208865119. [^5]: M. Papastavrou et al., ‘[[Papastavrou et al., ‘Breastfeeding in the Course of History’, 2015|Breastfeeding in the Course of History]]’, *Journal of Pediatrics & Neonatal Care*, vol. 2, no. 6 (2015), pp. 1–2, https://doi.org/10.15406/jpnc.2015.02.00096.