The Sage Grouse (Centrocercus urophasianus) is the largest grouse in North America, where it is known as the Greater Sage-Grouse. Its range is sagebrush country in the western United States and southern Alberta and Saskatchewan, Canada.
Red Grouse (Lagopus lagopus scotica) is a medium-sized bird of the grouse family which is found in heather moorland in Great Britain and Ireland. It is usually classified as a subspecies of the Willow Ptarmigan but is sometimes considered to be a separate species, Lagopus scotica. It is also known as the moorfowl or moorbird.
Sharp-tailed Grouse (Tympanuchus phasianellus) is a medium-sized prairie grouse. It is also known as the sharptail, and is known as "fire grouse" or "fire bird" by Native American Indians due to their reliance on brush fires to keep their habitat open.