Grouse are game birds in the family Tetraonidae (order Galliformes). In addition to species called Grouse, the group includes several birds known by particular names, such as the Capercaillie and Prairie Chicken and the Ptarmigan
Grouse are ground-dwelling birds. They are close relatives of Turkeys, Pheasants, and Partridges and are well-known for their camouflaged plumage and featered feet. The order Columbiformes contains the Sandgrouse. The most famous Old World member is the Black Grouse of Wales, Scotland, Scandinavia, and North-Central Europe; a related form. Several cocks display together in a lek: they inflate red combs over their eyes, spread their tails, and circle in a crouch, quivering.
