Possible Clues:

• Grouse in nasty trap, man (GI) released
• Mountain-dwellers harass scamp having grass cut up
• Bird found in pram with giant wheels
• Bird fluttering in part, game that's tailless
• Northern game bird — map rating (anag)
• Bird to move across one's view, interrupted by black jet fighter
• Grouse
• Type of grouse
• Prey for an Arctic fox
• Game of choice perhaps, out of cinematographic production