DescriptionOxyuraleucocephaladistribution.svg English: The distribution of the White-headed Duck (Oxyuraleucocephala) according to doi:10.1080/10635150590910249
DescriptionOxyuradistribution.svg English: The distribution of the stiff-tailed ducks (Genus Oxyura) according to doi:10.1080/10635150590910249 and the