Field Guide

Great Reed Warbler

Acrocephalus arundinaceus

Aves › Passeriformes › Acrocephalidae › Acrocephalus

Conservation status: least_concern

Great Reed Warbler (Acrocephalus arundinaceus)
Photo: (c) Tomas Broucek, some rights reserved (CC BY), uploaded by Tomas Broucek, cc-by

The Great Reed Warbler is a large, stocky warbler with warm brown plumage and a thick, pointed bill that makes it one of the biggest warblers in its range. It's best identified by its loud, harsh, repetitive song that echoes from reed beds and wetlands across Europe and Asia, where it breeds among tall vegetation near water.

How To Identify

It is a small, medium-brown warbler with streaky plumage overall. Identifying marks include pale eyebrow stripes and relatively long, pointed tail feathers.

Habitat

It typically inhabits dense reed beds and wetland margins across Europe, western Asia, and northern Africa, preferring areas with tall emergent vegetation near freshwater or brackish water.

Behaviour

Great Reed Warblers are aggressive defenders of their territories and will vigorously attack and mob intruders, including much larger birds, to protect their nesting sites.

Did You Know?

Great Reed Warblers are renowned mimics that can incorporate sounds from other bird species into their own loud, scratchy song, which they deliver with remarkable vigor from reed beds. Males can sing for hours on end during the breeding season, producing one of the loudest calls of any warbler species.

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