Field Guide

Black-Browed Reed Warbler

Acrocephalus bistrigiceps

Aves › Passeriformes › Acrocephalidae › Acrocephalus

Conservation status: least_concern

Black-Browed Reed Warbler (Acrocephalus bistrigiceps)
Photo: (c) Kim, Hyun-tae, some rights reserved (CC BY), uploaded by Kim, Hyun-tae, cc-by

The black-browed reed warbler is a marsh-warbler in the family Acrocephalidae. It was formerly included in the "Old World warbler" assemblage. The species was first described by Robert Swinhoe in 1860.

How To Identify

It is a small to medium-sized passerine with generally dull brown plumage. The defining feature is the strong black supercilium or brow stripe contrasting against its lighter head feathers.

Habitat

It typically inhabits dense reed beds, marsh vegetation, and wetland areas across temperate and subtropical regions of Asia.

Behaviour

This warbler is a skulking bird that spends most of its time hidden within dense vegetation, climbing and foraging among reed stems with acrobatic movements to glean insects.

Native Range

The Black-Browed Reed Warbler is native to eastern Mongolia and south-eastern Russia to eastern China and Japan.

Did You Know?

The Black-browed Reed Warbler has a distinctively loud and complex song for its small size, often delivered from deep within reed beds where the bird itself remains hidden from view. Males are particularly vocal during breeding season, singing persistently to defend territory.

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