Yellow-billed Malkoha (Rhamphococcyx calyorhynchus) [XC151999]
by Frank Lambert from Tambun, West Dumoga, North Sulawesi, Indonesia (song)
Yellow-billed Malkoha (Rhamphococcyx calyorhynchus) [XC598515]
by Teus Luijendijk from Pos 2, Route to Mekongga, Wawo, North Kolaka Regency, South East Sulawesi, Indonesia (song)
Subspecies
Forms a superspecies with Chestnut-breasted Malkoha (Phaenicophaeus curvirostris), the two sometimes placed in a separate genus Rhamphococcyx.
The following 3 subspecies are recognised:
calyorhynchus (Temminck, 1825) - Northern, eastern and south-eastern Sulawesi and Togian Is.
meridionalis Meyer, AB & Wiglesworth, 1896 - Central and southern Sulawesi.