Blyth's Reed Warbler

Acrocephalus dumetorum (Blyth, 1849) DU BLRWA 12480
Family: Passeriformes > Acrocephalidae

Blyths Reed Warbler, Yoav Perlman

Closely resembling a Reed Warbler and best identified by its song, Blyth's Reed Warbler breeds in scrubby habitats, from Finland east to central Russia and Mongolia.

Wintering in India, Bangladesh and Myanmar, Blyth's Reed Warbler is a scarce visitor to Britain. Most records fall in September or October, and about half of these come from the Northern Isles.

Select a topic for more facts and statistics about the Blyth's Reed Warbler

1.7k records observations recorded by BTO surveyors
1.7k records



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Status and Trends

Population size and trends and patterns of distribution based on BTO surveys and atlases with data collected by BTO volunteers.


This species can be found on the following statutory and conservation listings and schedules.


We have no population estimates for this scarce species.


This species is a rare vagrant and was recorded during Bird Atlas 2007–11 as shown on the map.

Occupied 10-km squares in UK

European Distribution Map

European Breeding Bird Atlas 2


This vagrant is too rarely reported to map distribution change.


Blyth's Reed Warbler is a rare vagrant. In recent years some males have held territory in late spring but most birds are recorded in September and October.

Weekly occurence of Blyth's Reed Warbler from BirdTrack
Weekly occurrence patterns (shaded cells) and reporting rates (vertical bars) based on BirdTrack data. Reporting rates give the likelihood of encountering the species each week.


Information about movement and migration based on online bird portals (e.g. BirdTrack), Ringing schemes and tracking studies.


View a summary of recoveries in the Online Ringing Report.


Lifecycle and body size information about Blyth's Reed Warbler, including statistics on nesting, eggs and lifespan based on BTO ringing and nest recording data.


Sample sizes are too small to report Productivity and Nesting statistics for this species.


For information in another language (where available) click on a linked name

Welsh: Telor Cyrs Blyth
Catalan: boscarla dels matolls
Czech: rákosník pokrovní
Danish: Buskrørsanger
Dutch: Struikrietzanger
Estonian: aed-roolind
Finnish: viitakerttunen
French: Rousserolle des buissons
German: Buschrohrsänger
Hungarian: berki nádiposzáta
Icelandic: Elrisöngvari
Irish: Ceolaire Blyth
Italian: Cannaiola di Blyth
Latvian: krumu kaukis
Lithuanian: sodine nendrinuke
Norwegian: Busksanger
Polish: zaroslówka
Portuguese: felosa-das-moitas
Slovak: trsteniarik krovinový
Slovenian: robidna trstnica
Spanish: Carricero de Blyth
Swedish: busksångare

Links to more information from

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