Possible Clues:

• Discordant hooters he removed from resting place
• Nocturnal resting spot
• First of squatters introduced to bottom residence
• Parakeet's perch
• 'By the sound of it, purchase such as this for a bird (5)'
• Stick for a kite
• Perch is small in origin
• Somewhere for those with bills to settle?
• Bounder has empty squat as sleeping place
• Bird's settling place