Radde's Warbler
Phylloscopus schwarzi (Radde, 1863)
RADWA 
13010
Family: Passeriformes > Phylloscopidae
A scarce visitor from central and eastern Siberia, most records of this dark, skulking warbler fall in October. The number of records has increased markedly since the 1950s, as equipment and identification skills have improved.
Select a topic for more facts and statistics about the Radde's Warbler
BTO RECORDS
BTO RECORDS
Identification
Radde's Warbler identification is sometimes difficult.
SONGS AND CALLS
Listen to example recordings of the main vocalisations of Radde's Warbler, provided by xeno-canto contributors.
Call
Develop your bird ID skills with our training courses
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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.
| 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
|
Lincolnshire, 1898 |
DISTRIBUTION
This species is a rare vagrant and was recorded during Bird Atlas 2007–11 as shown on the map.
More from the Atlas Mapstore.
Occupied 10-km squares in UK
| No. occupied in winter | 3 |
| % occupied in winter | 0.1 |
DISTRIBUTION CHANGE
This vagrant is too rarely reported to map distribution change.
SEASONALITY
Radde's Warbler is a rare autumn vagrant, usually encountered in 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.
Biology
Lifecycle and body size information about Radde's 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.
BIOMETRICS
Sample sizes are too small to report Biometrics for this species.
Feather measurements and photos on featherbase
CODES & CLASSIFICATION
|
Field Codes
|
5-letter code: RADWA | Euring: 13010 |
For information in another language (where available) click on a linked name
Links to more information from ConservationEvidence.com
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