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Wetland birds
Medium Egret
Ardea intermedia
Resident + winter influxHigh timing confidence
Winter influx in Chiang Mai & Lamphun
Seasonal increase beginsAug 22
PeakOct 24
Seasonal increase fadesMay 8
Best windowOct 10 – Nov 7
Habitat
- Primary
- Shallow wetlands / paddies
- Secondary
- Flooded fields and open marsh
- Elevation
- Lowland
Closest practical Chiang Mai option
Mae Hia Agricultural College
~8–10 kmMedium-High confidence
Where to look
- Chiang Dao paddies
- Tha Ton / Mae Kok River
- Mae Hia Agricultural College
- Ban Thi paddies
- Mueang Lamphun paddies
Timing describes the winter increase, not arrival/departure of the whole local population.
Evidence & sources
Mae Hia: checklist/site-confirmed. Other ranked locations retain the previously validated evidence mix; see Location source(s).