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.