Possible Clues:

• Has 'e got a leg broken while flying?
• Endlessly keen to hold sovereign or ten-dollar coin
• Creature known for its keen vision
• Bird dog losing its head
• Has 'e got a broken leg when one needs a wing?
• Large birds of prey.
• Able to fly, even if 'e has a broken leg
• With wings it gets a broken leg at last
• Can fly, even if 'e has a broken leg
• Has `e got a broken leg - or a broken wing?