Grouse, or Growse, Tetrao tetrix, L. a native bird, which is found in woody and mountainou situations, chiefly In North Britain. The male is two feet in length, and weighs nearly four pounds ; while the female is only about half that length and weight: .she deposits six or seven eggs, which are hatched late in the summer; and the young birds subsist at first on ants' eggs, and wild mountain berries.

Towards autumn, grouse frequently descend from the mountains, and feed on corn : as they grow older, their principal food is derived from the tops of heath, and the cones of the pine-tree, by which they acquire a delicate flavour, and are speedily fattened. At present, these birds are rarely found in England, though grouse-shooting is a favourite sport in various parts of Scotland.