Odd-looking partridge-like bird with a stunted head. Brown wings, gray underparts, and yellow bill. Found on small offshore islands and within hilly and montane forests on larger islands. Forages on the ground, scraping about in the leaf litter and detritus. Gives long, drawn-out wails somewhat akin to that of emergency vehicles. Like other megapodes, builds mounds and digs burrows to incubate eggs.