Records:
2023:
21 Oct c. 130 Black baza at Wat Phrathat Chomchaw, Thoeng district, Chiangrai (Chaiwat Wongchai).
2022:
19 Jan three birds seen in a residence's woodland on Samae dam area (Nine Jaruthien).

19 Oct 19 birds in two flocks at Wat Phratyat JomJor, Thoeng, Chiangrai วัดพระธาตุจอมจ้อ อ.เทิง (Chaiwat Wongchai).

2021:
26 Nov two birds in KPS arboretum (Cheewin Chaiburin, C. Kasorndorkbua).

18 Nov three birds in Kamphaengsaen arboretum, Nakhon Pathom (Pongsakorn Horrungroj, Sirawit Subaneg).

17 Nov flock of five birds at Moeng Chumphon (Kittiwin Krudchaiyan).

12 Nov flock of five birds at Animal Husbandry field, Kasetsart University Kamphaengsaen campus (Pongsakorn Horrungroj, Sirawit Subanake).

11 Nov flock of three birds at Kamphaengsaen arboretum, Nakhon Pathom (Sirawit Subanake, C. Kasorndorkbua)

16 Oct one burd passing Radar hill on 9.30am (Kampoon Boonsangiem).

1 April 1,000+ baza flying northward at Radar Hill between 8-9am (Kampoon Bunsa-ngiem).

1 March, flock of 7 birds flying northwards at Khao Pho, Prachuap Khiri Khan (Kampoon Bunsa-ngiem).

7 Jan 6 birds in Hatyai, Songkhla (Kittithorn Saengsuk).

2020:

24 Oct 18 birds in an orchard, at Baan Kaeng ต.บ้านแก้ง, Chalermprakiat district, Saraburi (Anuch M)​.

14 April two birds at Huai maekhampong, Baan Huaisaikhao, Rong kwang subdistrict, Phrae (Suriya
Akharhasetthapong).

2019:
16 Oct 2 birds passing Radar Hill, Prachuap Jhiri Khan between 10-11pm (Kampoon Boonsa-ngiam).

2014;
2014 March 6: Courtship display in flight with repeated callings at Doi Suthep, Chiang Mai (Chan Tosinithi).
2014 March 26: Flock of five birds at Pa Dang intersection, near kaeng krachan national park entrance (Wittawat Noulin).
2014 March 27: Flock of c. 10 birds came to roost near Pha ang camp around 5-6pm (Wirongrong Butlek).
2014 April 1: Flock of c. 50 birds flew up from night roosting area at Mak Boon resort, near MaeWong national park (Wittawat Noulin).

2015;
January 12 Flock of 8 birds at Bhuddamonthol park, Nakhon Pathom (Rapeepong Puttakumwong).
March 4 four birds calling on wings at the foothill of Doi Suthep (Chan Tosinthiti).
March 4 two birds soaring at Chulabhorn Dam, Chaiyabhumni (Sarun Keithmaleesatti).
March 21 two birds near Dan Chedi Sam ong, Sangkhla buri, Kanchanaburi (Thitisan Nakavirod).
March 28 flock of 300+ about 30km from the Kedah border with Thailand (Neoh Hor Kee).
March 28 one bird at km9-10, Kaeng krachan national park (Chumpol Phuengsuk).
March 29 3 birds, following greater coucal at km 22-23, kaeng krachan national park (Chirdphong Termtanon & Chaiyan Kasorndorkbua).
March 29 flock of 50+ birds finding a night roost at 6pm in Bang jak temple near Rama 4 bridge, Nonthaburi (Kanitta Siriwan).
April 1 10 birds in Khon Kaen university (Sarun Keithmaleesatti).

Autumn:
September 12, five birds at Kamphaeng saen arboretum, Nakhon Pathom (Chamnan Phanthong).
October 21, four birds in Phu Khieo wildlife sanctuary (Paul Farrell). Flock of c. 120 birds flew over Moeng district, Nonthaburi at 2.40pm (Chumpol Phoungsook).

2016:
Oct 30
Several flocks of 1,000+ at Bangpoo recreation area, Samutprakan (Krit Adirek).
Oct 31
Flock of 30+ seen at Hat kham subdistrict, Kuiburi, Prachuap Khiri Khan (Pornpis Kayankarnnavee).

Nov 3
Flock of 100+ at Thai Prachan np, Ratchaburi at 11.27am (Manoon Makasira).

Nov 5
Flock of 20+ birds at boat lagoon, Phuket at 4.25pm (Chatree Tayanasanti).

2017:
April 7 three flocks of 120+ seen along Road#41 near Chaiya district, Surath thani between 2 and 3 pm (Kittipong wongvisanupong).

12 Nov 2 birds seen in Kasetsart University Kamphaengsaen campus (Natthaphol Maneepairoj).
29 Nov 4 birds seen soaring low at Kasetsart University Raptor Rehabilitation Unit (KURU) at 10am (Dr.Malisa Santavakul).

2018:
25 Oct at 3.30pm 21 birds flew over Thung kwang salt lick, Kahi yai NP (Chamnan Phanthong).

29 Oct, 15 birds resting anf foraging at Po g nam ron, Nong ya plong, Phetchaburi (Sura Pansang).

3 Nov, 5 birds at Kamphangsaen Arboretum (Chamnan Phanthong).

2019:
31 March flock of 4 birds seen at Kasetsart University Raptor Unit, Kamphaengsaen, Nakhonpathom (Watcharadol Yeohsakul).