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Ducks & waterfowl
Ruddy Shelduck
Tadorna ferruginea
Winter visitorMedium timing confidence
Season in Chiang Mai & Lamphun
Regular arrivalNov 7
PeakNov 21
Regular departureNov 28
Prime windowNov 7 – Nov 28
Habitat
- Primary
- Open water / broad river
- Secondary
- Reservoirs, sandbars and flooded flats
- Elevation
- Lowland
Closest practical Chiang Mai option
Mae Kuang Dam
~30 kmLow confidence
Where to look
Evidence & sources
1 checklist/site-confirmed; 0 district/range-record confirmed; remaining slots use habitat + project public-hotspot evidence.