Genus Oxyura is a genus of diving ducks that are commonly found in freshwater ponds and lakes. Some of the synonyms for this genus include the pink-eared duck, the white-eared duck, the ruddy duck, and the Andean duck. These birds typically have a compact body and a short, thick neck. They are known for their unique mating habits, where males perform intricate courtship displays to attract females. The genus Oxyura comprises of around six species that are primarily found in South America, North America, and Australia. Despite their similarities, each species has its distinctive features and characteristics that set them apart from one another.