Possible Clues:

• Brightly coloured tropical bird
• One’s got a large bill, we hear also prison
• Large-billed, tropical bird
• Fixed cut on a bird
• Bird with a big bill
• Flyer with a colorful billing?
• Bird with a colourful beak
• Colourful tropical bird
• Bird with a colorful bill
• 'Is a brace able to be only one bird, by the sound of it? (6)'