Ramírez-Albores, Jorge E. “Variability in Bird communities’ Composition in the Biosphere Reserve Montes Azules and Adjacent Areas, Chiapas, Mexico”. Biota Neotropica 6, no. 2 (January 1, 2006). Accessed May 2, 2024. //www.biotaneotropica.org.br/BN/article/view/198.