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.
Male Willow Ptarmigan perches in the branch of a willow tree in spring, Denali National Park, Alaska. The willow ptarmigan has a circum-boreal distribution. It is native to Canada and the United States, China, Mongolia, the Russian Federation, Kazakhstan, the Czech Republic, Finland, Norway, Sweden, Estonia, Latvia, Lithuania, Germany, the United Kingdom, Ireland and Spain.