Sooty-headed Bulbul

It can be told from the similar red-vented bulbul by its tan front (Wikipedia, general species account). The species belongs to songbird in the Bulbul family, Pycnonotidae. A medium-sized songbird measuring between 18 and 21 centimetres in length with a short crest, the sooty-headed bulbul can be distinguished from the similar red-vented bulbul by its tan front, less extensive area of black on its head and gold-colored vent in certain subspecies. (Wikipedia, general species account).

Sooty-headed Bulbul is a medium-sized songbird, 18–21 cm long, with a short crest, found in south-eastern Asia in subtropical or tropical moist lowland forest. Its natural habitat is subtropical or tropical moist lowland forests. Found in eastern Thailand and southern Indochina P. a. aurigaster - (Vieillot, 1818): Found in Java and Bali In Hong Kong, the sooty-headed bulbul, whilst not a rarity, is markedly less common than the red-whiskered and light-vented bulbuls. (Wikipedia, general species account).