Yellow-billed Malkoha Rhamphococcyx calyorhynchus

A large, thick-billed malkoha, endemic to Sulawesi, where the only Malkoha. Rufous top half and dark bottom half give it the appearance of having been dipped in black paint, which together with long tail and thick red and yellow bill give it an unmistakeable appearance. Found in wooded habitats from the lowlands to the mountains. Follows macaques catching flushed insects. Call, a very distinctive series of sharp, grating notes, that rise, then fall, whilst accelerating and fading at the end.