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Reed / bush / grass warblers
Thick-billed Warbler
Arundinax aedon
Winter visitorHigh timing confidence
Season in Chiang Mai & Lamphun
Regular arrivalOct 3
PeakDec 19
Regular departureMay 8
Prime windowDec 5 – Jan 2
Habitat
- Primary
- Dense scrub / tall grass
- Secondary
- Wetland edge, paddy margins and secondary growth
- Elevation
- Lowland–foothill
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).
- https://www.thaibirding.com/locations/north/huay-teung-tao.htm
- https://www.thaibirding.com/checklists/chiang-dao-paddies-checklist.htm
- https://www.norththailandbirding.com/pages/checklists/north/bird-thaton.html
- https://www.thainationalparks.com/doi-inthanon-national-park/wildlife
- https://www.norththailandbirding.com/pages/checklists/north/bird-mae-hia.html