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Anseriformes > Anatidae

Masked Duck

Nomonyx dominicus

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Identification

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Reclusive, rarely seen diving duck of tropical lowlands. Feeds mainly at night and spends much of the day sleeping quietly in marshy vegetation, often in small ponds and even in roadside ditches. Rarely seen in flight, but can spring into the air rather than run along the water. Male in breeding plumage has black face mask, bright blue bill, and dark rusty body. Female-plumaged birds are seen much more often: note buffy face with double dark face stripes.

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Learn more about Masked Duck from…

Birds of North America

Comprehensive life histories of North American breeding birds

Neotropical Birds

Life histories of all species breeding in Mexico, Central America, and South America