Cayetano-Rosas, H. et al. 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 (Apr. 2022), e-630. DOI:https://doi.org/10.28947/hrmo.2022.23.1.536.