Possible Clues:

• Colourful bird, big bill
• Sounds like able to make the pair of them be the one beak
• Sounds as if a brace is able to be just one bird
• Bird
• Bird with a large brightly-coloured bill
• Not hard to stroke an American bird
• ... with another, as they say, can present with a large bill
• Sounds as if a brace of this can be able to be only one bird
• Bird on a box of Froot Loops cereal
• Bird flying out to vessel