Yellow-billed Malkoha (Rhamphococcyx calyorhynchus) [XC825271]
by Mike Nelson from Gunung Mahawu, Minahasa, North Sulawesi, Indonesia (call)
Yellow-billed Malkoha (Rhamphococcyx calyorhynchus) [XC413711]
by id from Toraut, Sulawesi, Indonesia (call)
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.