Grouse and quail eat the winter buds. Whitetail deer, black bear, cottontail rabbits, squirrel, turkey, and grouse are common game species. Pointers also work game birds such as the pheasant, grouse, and woodcock with success. They will attack birds up to the size of a ruffed grouse or ring-necked pheasant. Red grouse and woodcock are found in the interior. The hunting techniques used on pheasants are probably similar to those used for grouse. The ruffed grouse differs from other grouse species in its courtship display. Wildlife such as deer, rabbits, and grouse browse the foliage during the winter. Some of these species are gazelles, antelope, bison, and sage grouse. Songbirds, grouse, and various mammals eat the seeds. Its emblem is the Red Grouse, Scotland's national game bird. It also eats ptarmigans, voles, and grouse. The airport is a popular mating ground for the rare sage grouse. Red grouse, which feed on young heather shoots, are abundant. There are significant populations of other Galliformes including blackcock and the famous red grouse.