Forcey, J.M. 2015. Notes on the Birds of Central Oaxaca, Part I: Podicipedidae to Laridae. Huitzil Revista Mexicana de Ornitologí­a. 3, 1 (jun. 2015), 1–10. DOI:https://doi.org/10.28947/hrmo.2002.3.1.9.