The chestnut-breasted malkoha (Phaenicophaeus curvirostris) is a species of cuckoo in the Cuculidae family. Found in Southeast Asia from Myanmar through to eastern Java, the Philippines and Borneo, it is a large cuckoo measuring up to 49 cm (19 in) with grey and dark green upperparts and chestnut underparts, and a large curved pale upper mandible. The male and female are similar in plumage. Unlike many cuckoos, it builds its nest and raises its own young.