Possible Clues:

• Pig crosses barrier to eat
• Believe in a bird
• Believe it will reduce the number of insects about
• It will be gone by winter, believe me!
• What a pig may do at last, the South may make it fly
• Ingest – bird
• Buy it for the bird
• The old lady did this to this, maybe? (How absurd!)
• Credulously believe a flighty type
• Accept, in a way