After more than 1 hour (in between seeing patient) searching the internet, finally I have this bird ID > Asian Koel (Eudynamis scolopacea)
~ Male.
Local name Burung Tuwu
Size (cm) 43
Got it from Choo Tse Chien PC Base website:
here.
If you see this bird's tail, it is torn and ragged.
He must injured himself some where.
Reference from Wikipedia.
Nice hair - blown by wind,
Heron - Ardeola sp.