Light-vented Bulbul
Pycnonotus sinensis
The light-vented bulbul is around 19 cm (7.5 in) in length. It has a black crown and moustachial stripe, with white patches covering the nape and the sides of its black head. It has white plumage from its eyes to the back of its head. The upperparts are greyish-brown mixed with olive. The wings and tail are brown fringed with bright olive. The underparts are whitish with a pale brown breastband. It is noisy and sings very brightly and variably with a cha-ko-lee...cha-ko-lee... sound.
ID text from Wikipedia, CC BY-SA 4.0
White-browed Bulbul
Pycnonotus luteolus
The white-browed bulbul is about 20 cm (7.9 in) long, with a moderately long (8 centimetres or 3 inches) tail. It has olive-grey upperparts and whitish underparts. This species is identifiable by the white supercilium, white crescent below the eye, and dark eyestripe and moustachial stripe. The vent is yellowish and there is some yellow on the chin and moustache. The throat is, however, largely whitish unlike in the similar looking and sounding yellow-throated bulbul, which is found in rockier habitats. Three or four hair-like filoplumes are present on the nape. Sexes are similar in plumage.
ID text from Wikipedia, CC BY-SA 4.0
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