Giraldo, P., Gómez-Posada, C., Martínez, J., & Kattan, G. (2007). Resource use and seed dispersal by red howler monkeys (Alouatta seniculus) in a Colombian Andean forest. Neotropical Primates, 14(2), 55-64. https://doi.org/10.1896/044.014.0202