de la Torre S, Snowdon CT, Bejarano M. Preliminary study of the effects of ecotourism and human traffic on the howling behavior of red howler monkeys, Alouatta seniculus, in Ecuadorian Amazonia. Neotrop. Primates [Internet]. 1999 Sep. 1 [cited 2024 Dec. 22];7(3):84-6. Available from: https://primate.socgen.ucla.edu/index.php/multivitaminic/article/view/431