Whistlers (Pachycephalidae)

Sulphur-bellied Whistler (Pachycephala sulfuriventer) - HBW 12, p. 417

French: Siffleur à ventre jaune German: Celebesdickkopf Spanish: Silbador Ventrisulfúreo
Other common names: Sulphur-vented/Yellow-vented/Yellow-bellied(!) Whistler, Celebes/Sulawesi (Mountain) Whistler

Taxonomy: Hyloterpe sulfuriventer Walden, 1872, Minahassa, north Sulawesi.
Forms a superspecies with P. philippinensis and P. hypoxantha. Proposed race meridionalis (from Mt Lompobattang, in S Sulawesi) sightly paler below than birds elsewhere in range, but regarded as insufficiently distinct to warrant recognition. Monotypic.

Distribution: N, C, SE & far S Sulawesi.