Blyth's Reed Warbler
Acrocephalus dumetorum (Blyth, 1849)
DU
BLRWA
12480
Family: Passeriformes > Acrocephalidae
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
BTO RECORDS
BTO RECORDS
Identification
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Browse training coursesStatus and Trends
Population size and trends and patterns of distribution based on BTO surveys and atlases with data collected by BTO volunteers.
CONSERVATION STATUS
This species can be found on the following statutory and conservation listings and schedules.
| Species of European Conservation Concern | Least Concern |
| IUCN Red List of Threatened Species (global) |
Least Concern 
|
| Schedule 1 license required (to disturb) | No |
| Birds Directive Annex 1 | No |
POPULATION SIZE
We have no population estimates for this scarce species.
| BOU Category | A |
|
First Record
|
Fair Isle, 1910 |
DISTRIBUTION
This species is a rare vagrant and was recorded during Bird Atlas 2007–11 as shown on the map.
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Britain and Ireland Breeding Distribution 2008-2011.
More from the Atlas Mapstore. -
Britain and Ireland Winter Distribution 2008-2011.
More from the Atlas Mapstore.
Occupied 10-km squares in UK
| No. occupied in winter | 1 |
| % occupied in winter | 0.03 |
European Distribution Map
DISTRIBUTION CHANGE
This vagrant is too rarely reported to map distribution change.
SEASONALITY
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.
Movement
Information about movement and migration based on online bird portals (e.g. BirdTrack), Ringing schemes and tracking studies.
RINGING RECOVERIES
View a summary of recoveries in the Online Ringing Report.
Foreign locations of birds ringed or recovered in Britain & Ireland
Biology
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.
PRODUCTIVITY & NESTING
Sample sizes are too small to report Productivity and Nesting statistics for this species.
CODES & CLASSIFICATION
|
Field Codes
|
2-letter: DU | 5-letter code: BLRWA | Euring: 12480 |
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Links to more studies from ConservationEvidence.com
- Changes in the breeding bird population of a small clay river following flood alleviation works
- Experimental evidence for the influence of food availability on incubation attendance and hatching asynchrony in the Australian reed warbler
- Population trends of breeding birds in the ecologically upgraded Rhine valley (canton of St. Gallen, Switzerland)
Read more studies about Blyth's Reed Warbler on Conservation Evidence >
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