Two of these owls were sitting close together low in the canopy near a stream at a known stake-out. However the species is otherwise very locally distributed from southern Myanmar to the Malay Peninsula, and are apparently rare, declining and considered vulnerable. They are said to be the largest owl their genus.
Digiscoped with Panasonic DMC-LX5 | Borrowed Leica Televid APO 65mm spotting scope | hand-held (no adapter).