Freire Filho, Roberio Gomes, Thieres Pinto, and Bruna Martins Bezerra. “Using Local Ecological Knowledge to Access the Distribution of the Endangered Caatinga Howler Monkey (Alouatta Ululata)”. Ethnobiology and Conservation 7 (August 28, 2018). Accessed April 25, 2024. https://ethnobioconservation.com/index.php/ebc/article/view/183.