The maleo (Macrocephalon maleo) is a large megapode and the only member of the monotypic genus Macrocephalon. The maleo is endemic to the Indonesian island of Sulawesi. It is found in the tropical lowland and hill forests, but nests in the open sandy areas, volcanic soils or beaches that are heated by the sun or geothermal energy for incubation. (There are also megapode species that use fermenting compost to incubate their eggs.