Charre-Medellín, Juan F., Francisco Botello, Esmar O. Guzmán-Díaz, Ma. Eugenia Mendiola-González, Ulises Torres-García, Jorge I. Ángeles-Escudero, and Octavio Rosas-Rosas. “Additional Records of Black Bear (Ursus Americanus) in Central-Eastern México”. Therya Notes 2, no. 1 (February 6, 2021): 20–25. Accessed August 7, 2025. https://theryanotes.mastozoologiamexicana.com/index.php/theryanotes/article/view/46.