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Masked Duck

Nomonyx dominicus

Least Concern
Wingspan
27.6 cm
Weight
361.0 g
Family
Anatidae
Order
Anseriformes

About

A small stiff-tailed duck (~360 g) of family Anatidae, breeding males with a black mask and chestnut body. Inhabits densely vegetated freshwater marshes and ponds from southern Texas to South America and the Caribbean. Dives for seeds and aquatic invertebrates. Secretive and rarely observed. Least Concern; tolerates a broad range of wetland habitats.

Physical Description

Measurement Value Imperial
Wingspan 27.6 cm 10.9 in
Weight 361.0 g 12.73 oz

Identification

Plumage

Male is rich rufous-chestnut with black mask from forehead to face, boldly spotted black on upperparts; blue bill. Female is streaked buff and brown with two dark facial stripes crossing pale cheeks.

Habitat & Range

Geographic Range

Resident from Mexico and the Caribbean south through Central America to northern South America. Found in lowland freshwater marshes and lagoons.

Diet & Feeding

Dives and dabbles for aquatic seeds, plant matter, and invertebrates in freshwater marshes and ponds of Central and South America.

Conservation Status

Least Concern
IUCN Red List

Behavior & Breeding

Nesting

Nest type: CP. Incubation: 23-24 days. Fledging: 45 days.

Clutch Size

4-6

Sound

Song

Male emits a soft, dove-like cooing note; female gives a harsh, emphatic quack. The male's gentle, almost melodic cooing is surprising for a stiff-tail; heard in tropical American marshes.

Taxonomy

Kingdom Animalia
Phylum Chordata
Class Aves
Order Anseriformes (Waterfowl)
Family Anatidae (Ducks, Geese & Swans)
Genus Nomonyx
Species Nomonyx dominicus

Distribution

Masked Duck has been recorded in 4 countries.

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Present Not recorded
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countries highlighted

External Databases

Frequently Asked Questions

What does the Masked Duck eat?
Dives and dabbles for aquatic seeds, plant matter, and invertebrates in freshwater marshes and ponds of Central and South America.
Where does the Masked Duck live?
Resident from Mexico and the Caribbean south through Central America to northern South America. Found in lowland freshwater marshes and lagoons.
Is the Masked Duck endangered?
The Masked Duck has a conservation status of Least Concern.
How does the Masked Duck nest?
Nest type: CP. Incubation: 23-24 days. Fledging: 45 days.
What does the Masked Duck sound like?
Male emits a soft, dove-like cooing note; female gives a harsh, emphatic quack. The male's gentle, almost melodic cooing is surprising for a stiff-tail; heard in tropical American marshes.
How big is the Masked Duck?
The Masked Duck has a wingspan of 27.6 cm, weight of 361.0 g.
What order and family does the Masked Duck belong to?
The Masked Duck (Nomonyx dominicus) belongs to the order Anseriformes and the family Anatidae.

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