The Collaborative International Dictionary
Lyrurus tetrix
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.