Masked Duck (Nomonyx dominicus)
Illustration redrawn by AI from a real photograph

Masked Duck

Nomonyx dominicus (Linnaeus, 1766)

365 gWeight

The masked duck (Nomonyx dominicus) is a tiny stiff-tailed duck ranging through the tropical Americas.

Most records: Argentina, United States, Puerto Rico

Least Concern

Where and when it's recorded

Most records: Argentina, United States, Puerto Rico

Masked Duck has been recorded at 216 of the 8,276 birding hotspots we track, in 31 countries and regions.

Records by month Southern Hemisphere

Where it's recorded most

  1. Reserva Ecológica Costanera SurArgentina1,742 records
  2. "Viera" Ritch Grissom Memorial WetlandsUnited States257 records
  3. Laguna Cartagena - West EndPuerto Rico233 records
More places
  1. Brazos Bend SPUnited States209 records
  2. Reserva Natural Laguna CartagenaPuerto Rico159 records
  3. Reserva Ecológica de GuapiaçuBrazil141 records
  4. Laguna Cartagena – TowerPuerto Rico125 records
  5. Coto 47 – Las PangasCosta Rica114 records
  6. Parque La FloridaColombia106 records
  7. Santo André – Parque CentralBrazil103 records

Countries and regions with the most records

ArgentinaUnited StatesPuerto RicoBrazilColombiaCosta RicaPanamaUruguay

eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.

About

The masked duck (Nomonyx dominicus) is a tiny stiff-tailed duck ranging through the tropical Americas.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Masked Duck?

The Masked Duck weighs around 365 g.

Where does the Masked Duck live?

Its breeding range: Middle America, South America: widespread. It is most often recorded in Argentina, United States and Puerto Rico.

Is the Masked Duck endangered?

The IUCN Red List classifies the Masked Duck as Least Concern.

What does the Masked Duck eat?

Main food: Aquatic plants.

What family is the Masked Duck in?

It belongs to the family Ducks, Geese, Swans (Anatidae), order Anseriformes.

At a glance

Weight
365 g
Habitat
Wetland
Diet
Aquatic plants
Lifestyle
On the water surface
Migration
Partial migrant
Conservation
Least Concern
More measurements
Wing
138 mm
Tail
86 mm
Bill
40 mm
Tarsus
24 mm

Averages from the AVONET dataset; length from field guides where available.

Range

Middle America, South America: widespread

Breeding range, IOC World Bird List 15.2

Classification

Family
Ducks, Geese, Swans Anatidae
Genus
Nomonyx

More from the family Ducks, Geese, Swans

Masked Duck

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Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by Javier Gautier. ↗

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