- See under jungle fowl.
- any of several East Indian, gallinaceous birds of the genus Gallus, as G. gallus (red jungle fowl) believed to be the ancestor of the domestic fowl.
- any small gallinaceous bird of the genus Gallus, of S and SE Asia, the males of which have an arched tail and a combed and wattled head: family Phasianidae (pheasants). G. gallus (red jungle fowl) is thought to be the ancestor of the domestic fowl
- Australian any of several megapodes, esp Megapodius freycinet