Forcey, John M. “Notes on the Birds of Central Oaxaca, Part II: Columbidae to Vireonidae”. Huitzil Revista Mexicana de Ornitologí­a 3, no. 1 (October 7, 2022): 14–27. Accessed October 23, 2026. https://mexorn.org/index.php/huitzil/article/view/11.