Phylloscopus schwarzi (Radde, 1863)
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.
Radde's Warbler identification is sometimes difficult.
Listen to example recordings of the main vocalisations of Radde's Warbler, provided by xeno-canto contributors.
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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 winter||3|
|% occupied in winter||0.1|
This vagrant is too rarely reported to map distribution change.
Radde's Warbler is a rare autumn vagrant, usually encountered in October.
Information about movement and migration based on online bird portals (e.g. BirdTrack), Ringing schemes and tracking studies.
Lifecycle and body size information about Radde's 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||5-letter code: RADWA | Euring: 13010|
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