764-3807 - Sharp-tailed grouse (Tympanuchus phasianellus) (previously Tetrao phasianellus), Custer State Park, South Dakota, United States of America, North America
764-3778 - Sharp-tailed grouse (Tympanuchus phasianellus, previously Tetrao phasianellus), Custer State Park, South Dakota, United States of America, North America
764-3776 - Sharp-tailed grouse (Tympanuchus phasianellus, previously Tetrao phasianellus), Custer State Park, South Dakota, United States of America, North America
743-672 - Black grouse (Tetrao tetrix), displaying at Lek, Upper Teesdale, North Pennines Area of Outstanding Natural Beauty, County Durham, England, United Kingdom, Europe