---
title: "Willow Warbler"
description: "Phylloscopus trochilus — Uccelli. The willow warbler (Phylloscopus trochilus) is a very common and widespread leaf warbler which breeds throughout northern and temperate Europe and the Palearctic, from Ireland east to the Anadyr River basin in eastern Siberia."
canonical: https://animalchecklist.com/it/animal/willow-warbler
last_updated: 2026-09-20
---

# Willow Warbler

> Phylloscopus trochilus — Uccelli. The willow warbler (Phylloscopus trochilus) is a very common and widespread leaf warbler which breeds throughout northern and temperate Europe and the Palearctic, from Ireland east to the Anadyr River basin in eastern Siberia.

- Scientific name: *Phylloscopus trochilus*
- Category: `birds` (Uccelli)
- Habitats: `forest` (Foresta)
- iNaturalist observations: 34464
- Wikidata: [Q27239](https://www.wikidata.org/wiki/Q27239)
- iNaturalist taxon: [117055](https://www.inaturalist.org/taxa/117055)

## Names

- en: Willow Warbler
- de: Fitis
- es: Mosquitero musical
- fr: Pouillot fitis
- nl: Fitis
- pt: Felosa-musical
- pl: Piecuszek

## Countries with the most observations

RU (10610), GB (2931), ES (1584), DE (1072), PT (1029), FR (1013), FI (605), UA (553), NO (514), NL (439), IT (375), GR (344)

## Summary

The willow warbler (Phylloscopus trochilus) is a very common and widespread leaf warbler which breeds throughout northern and temperate Europe and the Palearctic, from Ireland east to the Anadyr River basin in eastern Siberia. It is strongly migratory, with almost all of the population wintering in sub-Saharan Africa.
It is a bird of open woodlands with trees and ground cover for nesting, including most importantly birch, alder, and willow habitats. The nest is usually built in close contact with the ground, often in low vegetation. Like most Old World warblers (Sylviidae), this small passerine is insectivorous. In…

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

## Photo

![Willow Warbler](https://animalchecklist.com/img/animals/willow-warbler/medium.jpg)

Photo: Jean-Paul Boerekamps · CC0 · inaturalist — https://www.inaturalist.org/observations/137609771

## Machine access

`GET https://animalchecklist.com/api/v1/animals/willow-warbler?lang=it` — see [openapi.json](https://animalchecklist.com/openapi.json).