Great Reed Warbler

Acrocephalus arundinaceus (Linnaeus, 1758) QW GRRWA 12530
Family: Passeriformes > Acrocephalidae

Great Reed Warbler, Toby Carter

Europe's largest warbler is a scarce visitor to our shores, most records falling during May and June.

Spring individuals are often first encountered because of their loud and strident song.

Select a topic for more facts and statistics about the Great Reed Warbler

  • Breeding
  • Winter
1.8k records observations recorded by BTO surveyors
1.8k 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.

Great Reed Warbler breeding distribution 2008-11
Britain and Ireland Breeding Distribution 2008-2011.
More from the Atlas Mapstore.

Occupied 10-km squares in UK

European Distribution Map

European Breeding Bird Atlas 2


This vagrant is too rarely reported to map distribution change.


Great Reed Warbler is a rare passage migrant, typically encountered in late spring when males are detected by their loud song.

Weekly occurence of Great 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 Great 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.


Sample sizes are too small to report Biometrics for this species.

Feather measurements and photos on featherbase


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

Welsh: Telor Mawr y Cyrs
Catalan: balquer
Czech: rákosník velký
Danish: Drosselrørsanger
Dutch: Grote Karekiet
Estonian: rästas-roolind
Finnish: rastaskerttunen
French: Rousserolle turdoïde
German: Drosselrohrsänger
Hungarian: nádirigó
Icelandic: Reyrsöngvari
Irish: Mórcheolaire Giolcaí
Italian: Cannareccione
Latvian: niedru strazds
Lithuanian: didžioji krakšle
Norwegian: Trostesanger
Polish: trzciniak (zwyczajny)
Portuguese: rouxinol-grande-dos-caniços
Slovak: trsteniarik velký
Slovenian: rakar
Spanish: Carricero tordal
Swedish: trastsångare

Links to more information from

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