The Black-headed Ibis or Oriental White Ibis (Threskiornis melanocephalus) is a species of wading bird of the ibis family Threskiornithidae which breeds in South Asia and Southeast Asia from Pakistan to India, Sri Lanka east up to Japan. It builds a stick nest in a tree and lays 2–4 eggs.
It occurs in marshy wetlands inland and on the coast, where it feeds on various fish, frogs and other water creatures, as well as on insects. It walks about actively on marshy land probing with its bill into soft mud and often feeds in shallow water with its head momentarily submerged. Like storks and Spoonbills, it lacks a true voice-producing mechanism and is silent except for peculiar ventriloquial grunts uttered when nesting.