Cayetano-Rosas, H. (2022) “First record of Ruddy Duck (Oxyura jamaicensis) and Northern Shoveler (Spatula clypeata) with aberrant coloration in central Mexico”, Huitzil Revista Mexicana de Ornitologí­a, 23(1), p. e-630. doi:10.28947/hrmo.2022.23.1.536.