---
title: "Nonnetje"
description: "Mergellus albellus — Vogels. The smew (Mergellus albellus) is a species of duck and is the only living member of the genus Mergellus."
canonical: https://animalchecklist.com/nl/animal/smew
last_updated: 2026-09-20
---

# Nonnetje

> Mergellus albellus — Vogels. The smew (Mergellus albellus) is a species of duck and is the only living member of the genus Mergellus.

- Scientific name: *Mergellus albellus*
- Category: `birds` (Vogels)
- Habitats: `freshwater` (Meren en rivieren)
- iNaturalist observations: 8976
- Wikidata: [Q200646](https://www.wikidata.org/wiki/Q200646)
- iNaturalist taxon: [7192](https://www.inaturalist.org/taxa/7192)

## Names

- en: Smew
- de: Zwergsäger
- es: Serreta chica
- fr: Harle piette
- nl: Nonnetje
- pt: Merganso-pequeno
- pl: Bielaczek

## Countries with the most observations

RU (4177), DE (511), CN (357), JP (339), NL (297), GB (293), UA (250), FI (220), KR (220), DK (212), FR (175), PL (147)

## Summary

The smew (Mergellus albellus) is a species of duck and is the only living member of the genus Mergellus. The genus is closely related to Mergus and is sometimes included in it; genetic studies have shown that it is the sister taxon to Mergus and Lophodytes. The smew has hybridised with the common goldeneye (Bucephala clangula).

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

## Photo

![Nonnetje](https://animalchecklist.com/img/animals/smew/medium.jpg)

Photo: Лариса Артемьева · CC0 · inaturalist — https://www.inaturalist.org/observations/353826771

## Machine access

`GET https://animalchecklist.com/api/v1/animals/smew?lang=nl` — see [openapi.json](https://animalchecklist.com/openapi.json).