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Leaf & forest warblers
Radde's Warbler
Phylloscopus schwarzi
Winter visitorHigh timing confidence
Season in Chiang Mai & Lamphun
Regular arrivalOct 31
PeakDec 19
Regular departureMar 27
Prime windowDec 5 – Jan 2
Habitat
- Primary
- Dense scrub / forest undergrowth
- Secondary
- Forest edge / damp gullies
- Elevation
- Lowland–foothill
Closest practical Chiang Mai option
Doi Suthep–Pui NP (lower–mid slopes)
~8–18 kmHigh confidence
Where to look
Evidence & sources
5 checklist/site-confirmed; 0 range/record-confirmed; remaining slots use habitat/elevation + project effort proxy.