Genus Oxyura, Stiff-tailed Ducks are small diving ducks with a characteristic shape and stiff tails. Oxyura ducks dive for crustaceans. |
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Most closely related to the migratory North American Ruddy Duck. Male Andean Ducks in Colombia may have a cheek colored white, black or some combination of white and black, indicating some past hybridization. A male with white cheek. Juvenile |
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