Possible Clues:

• Songbird cut half of this fly
• Bird is away from this fly
• Bird not finishing off the fly
• Bird in this way mobbing rook, gaining height
• Singer is withdrawn from this race
• The rufous-bellied ___ is Brazil’s national bird
• Hurry after the tailless bird
• Common bird
• Bird heads for trees, having to fly
• Singer starts to transform her career