The New Guinea scrubfowl or New Guinea megapode (Megapodius decollatus) is a species of bird in the family Megapodiidae. It is found in New Guinea, mostly in the northern half. Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest. This species was formerly known as Megapodius affinis but Roselaar, 1994[2] showed that Megapodius affinis A. B. Meyer, 1874 refers to M. reinwardt.