Willow ptarmigan by the fact that it is not generally found above the tree line while the rock ptarmigan prefers more elevated, barren habitat. The summer plumage is browner and in the winter, the male willow ptarmigan lacks the rock ptarmigan's black stripe between the eyes and bill. The white-tailed ptarmigan ("Lagopus leucura") in North America is smaller, has a white tail and finely-barred greyer plumage and lives permanently above the tree line. The distinctive British Isles subspecies "L. l. scoticus" (red grouse) was once considered a separate true British species but is now classified as a sub-species. This moorland bird is
White Mountain art his 1868 painting titled "". In all, over four hundred artists are known to have painted White Mountain views during the 19th century. They came from the Boston area, Maine, Pennsylvania, and New York. Most of the Hudson River School painters worked in the White Mountains while maintaining studios in New York City, including such well-known artists as Sanford Robinson Gifford (1823–1880) and Jasper Francis Cropsey (1823–1900). Most artists came to the White Mountains in the summer, but returned to their urban studios, or sometimes to warmer climates like Florida, in the winter. Therefore, paintings of winter scenes are not