Possible Clues:

• Bright-billed bird
• Froot Loops mascot __ Sam
• Hillary leaves hallucinatory bird with massive bill
• Fruit Loops mascot
• Tropical bird with a large beak
• Sounds as if a brace of such birds is only able to be one of them
• Bird with large, colourful bill
• Bird that's said to play that game?
• More than one are able to hear this bird
• Bird on a Kellogg's Froot Loops box