Leese, Benjamin E. “Historical Winter Records of the Thick-Billed Parrot (Rhynchopsitta Pachyrhyncha) in Chihuahua”. Huitzil Revista Mexicana de Ornitologí­a 26, no. 2 (January 8, 2026): e690. Accessed November 8, 2026. https://mexorn.org/index.php/huitzil/article/view/835.