Panay, Guimaras and Negros, in west-central Philippines.
 
Population
Estimated population is 2,500 - 9,999 (2010) and decreasing.
Status EN
Habitat destruction and degradation through shifting cultivation, charcoal production and timber extraction, illegal logging and harvesting of forest products, are the main threats.
For more information see BirdLife International Species Factsheet.
Voice
A series of rapid, rising high-pitched 'ti-ti-ti-ti-ti-tip' notes. A series of nearly inaudible pharses of 2-5 syllables 'zeeee-zu-zi-zi' or 'zeeeoo-zi-zu-zi' mixed with churring notes. Single high-pitched whistle notes of 'seee', sometimes repeated, can also be heard.
Similar Species
White-vented Whistler (Pachycephala homeyeri) has uniformly pale underparts, lacking white throat and contrasting breast-band.
References
See References.