Lyrurus tetrix

from WordNet (r) 3.0 (2006)

Lyrurus tetrix
    n 1: large northern European grouse that is black with a lyre-
         shaped tail [syn: {European black grouse}, {heathfowl},
         {Lyrurus tetrix}]

from The Collaborative International Dictionary of English v.0.48

heathfowl \heathfowl\, heath fowl \heath fowl\n.
   A large Northern European black grouse ({Lyrurus tetrix}
   formerly {Tetrao tetrix}) with a lyre-shaped tail; it is also
   called {heath grouse}, {black game}, {black grouse}, {heath
   poult}, {heath fowl}, and {moor fowl}. See {heath grouse}
   under {heath}, above.

   Syn: European black grouse, {Lyrurus tetrix}.
        [WordNet 1.5]