Grouse are medium to large birds belonging to the family Phasianidae, which also includes pheasants and quails. They are primarily found in the northern hemisphere, inhabiting forests, grasslands, and moorlands. Grouse are known for their distinctive plumage, which often provides excellent camouflage in their natural environments. These birds are ground-dwelling and are well-adapted for life on the ground, using their strong legs to run and their wings for short bursts of flight. Grouse are also known for their unique courtship displays, particularly during the breeding season, where males perform elaborate rituals to attract females.