พฤติกรรม/ Behavior:

Adult female perched on ground before night-roosting. http://www.youtube.com/watch?v=l_tcRGqu3gQ
Adult male. http://www.youtube.com/watch?v=uqeY67Glzdk

Records:

2023;
26 Sept 20 harriers counted at the Haven of harriers, Nonglom Wetlands, Chiangrai (Bhud Lakarin).
2021:
30 Oct, 20 birds of mixed genders and ages roosting in ricefields at Huakhao subdistrict, Doembang Nangbuat Suphanburi (Thanaporn Pichitphan).

29 Sept. One juvenile passing Khao Dinsor (C.Kasorndorkbua)

2014 September 28 four birds at Nong Lom, Chiang rai (Wichan Tantipuvanart).

2014 March 14 One male Pied harrier was seen in ricefields at Pua district, Nan (30 km to Phu Kha national park) (Chanatip Ummee ชนาธิป อุ่มมี ).

2015 January 16 one male
Pied Harrier near Me khong river, Chaiyapon subdistrict, Moeng, Bung Kan (Thanessin Lalitr).

October 17, one juvenile foraging in ricefield at Naraphirom subdistrict, Bang len, nakhon pathom (C. Kasorndorkbua).