Western Subalpine Warbler
Introduction
Western Subalpine Warbler, split from both the eastern form and Moltoni's Warbler, is a rare visitor to Britain & Ireland. It is very hard to identify on the basis of plumage alone.
Key Stats

Status and Trends
Population Change
Population trends of this scarce species are not routinely monitored.
Distribution
This vagrant is too rarely reported to map distribution.
Distribution Change
This vagrant is too rarely reported to map distribution change.
Seasonality
This species has been too rarely reported to BirdTrack during 2011–22 to properly assess seasonality.
Movement
European movements
EuroBirdPortal uses birdwatcher's records, such as those logged in BirdTrack to map the flows of birds as they arrive and depart Europe. See maps for this species here.
The Eurasian-African Migration Atlas shows movements of individual birds ringed or recovered in Europe. See maps for this species here.
Biology
Survival and Longevity
Survival is shown as the proportion of birds surviving from one year to the next and is derived from bird ringing data. It can also be used to estimate how long birds typically live.
Classification, names and codes
Classification and Codes
- Scientific name: Curruca iberiae
- BTO 5-letter code: WESWA
- Euring code number: 12654