Phaenicophaeus calyorhynchus The yellow-billed malkoha (Rhamphococcyx calyorhynchus) is a species of cuckoo in the family Cuculidae.

It is endemic to Sulawesi, Indonesia.

Its natural habitat is subtropical or tropical moist lowland forests.

It often follows moor macaques.

This Cuculiformes-related article is a stub.