Possible Clues:

• Wading bird with long bill
• Bird with a curved bill
• The cave to get to on the shore is this
• Leggy shorebird
• Bird gave cock nineteen hearts
• Wading bird - octave (anag)
• Part of viva voce treating ornithological specimen
• Covet a bizarre bird
• Black-and-white shorebird with upward-curving bill
• It's flying at around the cove on the shore