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"Lagopus scoticus, the Red Grouse or Muirfowl, the only bird entirely confined to our islands, differs from its congeners in never becoming white in the winter. It varies considerably in coloration, but is usually considered a local form of the Willow Grouse (L. albus) of the north of Europe, Asia, and America. The male in both summer and winter is more or less, chestnut-brown above, with black markings and a reddish head; the lower parts are similar, but are usually spotted with white. In Autumn the brown of the upper parts becomes buff, and the lower surface is barred with buff and black." A. H. Evans, 1900

Red Grouse

"Lagopus scoticus, the Red Grouse or Muirfowl, the only bird entirely confined to our islands, differs…