Nicobar megapode jungle adjacent to the sea shore. In the dark, they venture out on the shore. They move in pairs or small groups. The group may consist of birds of various ages including just hatched ones. When disturbed, they prefer to escape by running but take to wings when pressed. The group keeps in touch with cackling calls. Pairs indulge in duet calling and maintain territories. Many species in the genus are said to be monogamous, but the Nicobar megapode has been found to form temporary pair bonds. The Nicobar megapode has an omnivorous diet. They forage mainly by scratching and
Micronesian megapode the multiple threats across its range, it is likely to be suffering from a continuing decline. It seems that the only way for the species to be safe is to protect a few small islands and release a small population of megapodes there. That way, a safe population is secured. On the larger and higher islands, an increase of people and introduced pests will sooner or later destroy any megapode populations. The Marianas Island megapode or "Megapodius laperouse laperouse" is the nominate subspecies of the Micronesian megapode found in the Mariana Islands. It is rare, localised and in danger of