Brunei Darussalam (B) (NB), Indonesia (B) (NB), Malaysia (B) (NB).
Population
Estimated population is 10,000 - 19,999 (2010) and decreasing.
Status VU
Habitat loss through logging and conversion to agriculture, and fires are the main threats.
For more information see BirdLife International Species Factsheet.
Habits
Usually pairs or small groups.
Food
Small fruits and invertebrates.
Voice
A soft 'crrrk'. Song is a nasal rattling series of notes.
Hook-billed Bulbul (Setornis criniger) [XC74801]
by Okamoto Keita Sin from Tuanan research station, Indonesia (call)
Hook-billed Bulbul (Setornis criniger) [XC503313]
by Martjan Lammertink from Klias Forest Reserve, Beaufort, Sabah, Malaysia (call)
Subspecies
No subspecies.
Similar Species
Puff-backed Bulbul (Euptilotus eutilotus) which also has white-tipped tail feathers, but is warmer brown, usually has visible crest and red eyes, and lacks supercilium and eye-stripe.
References
See References.