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Raptors

Hen Harrier

Circus cyaneus

Rare winter visitorLow timing confidence

Season in Chiang Mai & Lamphun

Regular arrivalNov 21
PeakNov 21
Regular departureNov 28
Prime windowNov 21 – Nov 28

Habitat

Primary
Open fields / wet grassland
Secondary
Paddies and marshy farmland
Elevation
Lowland

Closest practical Chiang Mai option

Mae Ai / Tha Ton open country
~160 kmMedium-High confidence

Where to look

  1. Mae Ai paddies
  2. Tha Ton / Mae Kok River
  3. Doi Lang
  4. Doi Lo paddies

Rare/irregular target: check current reports before making a dedicated trip. Timing is based on sparse local data; treat the dates as an alert window rather than a stable seasonal curve.

Evidence & sources

0 checklist/site-confirmed; 2 named district/range records; remaining slots use habitat + project public-hotspot evidence.

Biological/status source