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Reed / bush / grass warblers
Oriental Reed Warbler
Acrocephalus orientalis
Winter visitorHigh timing confidence
Season in Chiang Mai & Lamphun
Regular arrivalOct 3
PeakNov 21
Regular departureMar 6
Prime windowNov 7 – Dec 5
Habitat
- Primary
- Reedbeds / tall wet vegetation
- Secondary
- Marshes, canals and paddy edges
- Elevation
- Lowland
Closest practical Chiang Mai option
Mae Hia Agricultural College
~8–10 kmMedium-High confidence
Where to look
Evidence & sources
Mae Hia: checklist/site-confirmed. Other ranked locations retain the previously validated evidence mix; see Location source(s).