ocr: GROUSE GROUSE FAMILY consists Toti 17 species of plump-bodied game birds. They are found in SUMMER cool parts of the northern PLUMAGE hemisphere. Grouse feed and nest on the ground, but they fly powerfully with rapidly whirring wings. During the breeding season, male grouse gather at display sites, or leks. WILLOW PTARMIGAN This widely distributedgrONSE FEATHERED liveson mountains and in the Arctic LEGS tundra. In most parts ofits range, its plumage turns white in fallto camouflage it against SHON. KEY FACTS
