Shaffer, C. A., Barnett, A. A., Gregory, T., Melo, F., Moreira, L., Alvim, T. H. G., Moura, V. S., Filó, A., Cardoso, T., Port-Carvalho, M., Santos, R. R., & Boyle, S. A. (2016). Mixed-species associations in cuxiús (Genus Chiropotes). American Journal of Primatology, 78(5), 583–597.