Pheasants (/ˈfɛzənt/) are birds of several genera within the subfamily Phasianinae, of the family Phasianidae in the order Galliformes.Pheasants are characterised by strong sexual dimorphism, males being highly ornate with bright colours and adornments such as wattles and long tails. Males are usually larger than females and have longer tails. Males play a part in rearing the young.