Possible Clues:

• Smooth line by redhead bird
• Shore wader
• Bird making Australian abrasive?
• Plover's cousin
• Stint from author and player
• If he's gritty, the bagpiper gets the bird
• Bird initially seen with mole outside entrance to park
• Bird with grit, a music-maker
• Pane drips, overflowing wader
• 'The --', a 1965 film starring Richard Burton and Elizabeth Taylor