Ban, S. D., Boesch, C., N'Guessan, A., N'Goran, E. K., Tako, A., & Janmaat, K. R. L. (2016). Taï chimpanzees change their travel direction for rare feeding trees providing fatty fruits. Animal Behaviour, 118, 135-147. doi:10.1016/j.anbehav.2016.05.014.