---
title: "Sterniczka maskowa"
description: "Nomonyx dominicus — Ptaki. The masked duck (Nomonyx dominicus) is a tiny stiff-tailed duck ranging through the tropical Americas."
canonical: https://animalchecklist.com/pl/animal/masked-duck
last_updated: 2026-09-20
---

# Sterniczka maskowa

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

- Scientific name: *Nomonyx dominicus*
- Category: `birds` (Ptaki)
- Habitats: `freshwater` (Jeziora i rzeki)
- iNaturalist observations: 1111
- Wikidata: [Q849019](https://www.wikidata.org/wiki/Q849019)
- iNaturalist taxon: [7172](https://www.inaturalist.org/taxa/7172)

## Names

- en: Masked Duck
- de: Maskenruderente
- es: Pato Enmascarado
- fr: Érismature routoutou
- nl: Nomonyx
- pt: Bico-roxo
- pl: Sterniczka maskowa

## Countries with the most observations

AR (406), BR (281), MX (74), CO (59), US (59), PR (47), PA (18), PE (18), UY (18), HN (13), SV (13), CR (11)

## Summary

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

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Masked_duck

## Photo

![Sterniczka maskowa](https://animalchecklist.com/img/animals/masked-duck/medium.jpg)

Photo: Oscar Gonzalez Diaz · CC0 · inaturalist — https://www.inaturalist.org/observations/150957114

## Machine access

`GET https://animalchecklist.com/api/v1/animals/masked-duck?lang=pl` — see [openapi.json](https://animalchecklist.com/openapi.json).