Field Guide

Willow Warbler

Phylloscopus trochilus

Aves › Passeriformes › Phylloscopidae › Phylloscopus

Conservation status: least_concern

Willow Warbler (Phylloscopus trochilus)
Photo: (c) Frank Sengpiel, some rights reserved (CC BY), uploaded by Frank Sengpiel, cc-by

The willow warbler 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.

How To Identify

The male has bright yellow wash on its flanks and warm brown streaks, while the female is generally duller but shares the same overall slender build.

Habitat

It typically inhabits open woodlands, willow thickets, scrubland, and the edges of forests with sparse ground vegetation across Europe and western Asia.

Behaviour

The Willow Warbler is highly vocal and actively forages in trees and bushes for insects, often gleaning food from foliage while moving restlessly through the canopy.

Native Range

The willow warbler breeds throughout northern and temperate Europe and the Palearctic, from Ireland east to the Anadyr River basin in eastern Siberia.

Did You Know?

The Willow Warbler is one of Europe's smallest long-distance migrants, weighing just 7–10 grams, yet it undertakes an epic annual journey of over 12,000 kilometers between its breeding grounds and African wintering grounds.

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