Great Reed Warbler
Acrocephalus arundinaceus (Linnaeus, 1758)
Family: Passeriformes > Acrocephalidae
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.
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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 is a rare vagrant and was recorded during Bird Atlas 2007–11 as shown on the map.
Occupied 10-km squares in UK
|No. occupied in breeding season||5|
|% occupied in breeding season||0.2|
European Distribution Map
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.
Information about movement and migration based on online bird portals (e.g. BirdTrack), Ringing schemes and tracking studies.
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
|Field Codes||2-letter: QW | 5-letter code: GRRWA | Euring: 12530|
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