Barred Warbler
Curruca nisoria (Bechstein, 1792)
RR
BARWA
12730
Family: Passeriformes > Sylviidae
Barred Warbler is a large grey warbler that breeds in open country in eastern Europe and Asia. The species is a regular visitor to eastern Britain in autumn but quite rare in spring.
Select a topic for more facts and statistics about the Barred Warbler
BTO RECORDS
Identification
Barred Warbler identification is sometimes difficult.
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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 | Yes |
|
Listed on the Annexes of
|
WBD(I), Bern(III), Bonn(II) |
POPULATION SIZE
| BOU Category | A |
|
First Record
|
Cambridgeshire, 1839 |
DISTRIBUTION
This species is a rare vagrant and was recorded during Bird Atlas 2007–11 as shown on the map.
-
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 | 11 |
| % occupied in winter | 0.4 |
European Distribution Map
DISTRIBUTION CHANGE
This vagrant is too rarely reported to map distribution change.
SEASONALITY
Barred Warbler is a scarce autumn passage migrant, with records mostly from mid August to October, though some late birds have been recorded into December.
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 Barred Warbler, including statistics on nesting, eggs and lifespan based on BTO ringing and nest recording data.
PRODUCTIVITY & NESTING
|
Number of Broods
|
1 |
|
Egg Size
|
21×16 mm Weight = 2.6 g (of which 6% is shell) |
SURVIVAL & LONGEVITY
View number ringed each year in the Online Ringing Report
|
Typical Lifespan
|
2 years with breeding typically at 1 year |
|
Adult Survival
|
0.39 (Male: 0.47± Female: 0.31±)
|
BIOMETRICS
| Juveniles | 88.2±2.2 | Range 85-92mm, N=164 |
| Juveniles | 24.7±3.2337 | Range 20.0–30.1g, N=156 |
Feather measurements and photos on featherbase
CODES & CLASSIFICATION
|
Ring size
|
B |
|
Field Codes
|
2-letter: RR | 5-letter code: BARWA | Euring: 12730 |
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Links to more information from ConservationEvidence.com
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