พฤติกรรม/ Behavior:
Adult catching ricefield crab. http://www.youtube.com/watch?v=x_94a9vhr04

Adult feeding on ricefield crab, its main prey. http://www.youtube.com/watch?v=SYN37T7HLBE

Records:
2023:
25 May one adult perching near Phujong Nayoi national park Headquarter (C. Kasorndorkbua).
2022:
28 Jan one adult flying then perched on tall tree in tree plantations outside Srisachanalai national park, Sukhothai (Nine Jaruthien, C. Kasorndorkbua).

2021:
26 Nov one juvenile in KPS arboretum (Cheewin Chaiburin, C. Kasorndorkbua).

9 Nov four birds seen in Kamphaengsaen arboretum, Nakhon Pathom (Sirawit Subanek & Yasintorn Dechapiratkul).

27 Oct one adult passing Khao dinsor, Chumphon (C.Kasorndorkbua)

2020:
15​ Nov, one​ ​juvenile​ at kamphaeng​saen​Arboretum, Nakhon​ ​Pathom​ (Cheewin​Chaiburin ​& C.​Kasorndorkbua.

2019:

31 March one nest with broken eggs and the pair remained gaurding the nest at Khao Nang Tuam, Nong Bua, Nakhon Sawan (C. Kasorndorkbua , Samart Paekratok).

29 Oct one passing Radar Hill, Prachuap Khiri Khan (Kampoon Boonsa-ngiam &​Praphin Buasong).

2014:

July 27 one adult perched on power pole at Baan dong Chantham, Tha Tako district, Nakhon Sawan (C. Kasorndorkbua).

July 27 a family of three, with one fledgling, on roadside at Baan Khok Krathin, Tha Tako district, Nakhon Sawan (C. Kasorndorkbua).

2015:

October 20, one bird at Kaeng Lawaa, Baan Phai district, Khon Kaen (Paul Farrell).

2018:
3 Nov one adult bird at Kamphaengsaen Arboretum, Nakhon pathom (Chamnan Phanthong).