Possible Clues:

• The cat tells us that it's on the wing
• Kitten's commentary
• Asking for Friskies, maybe
• This would enable me to fly from the cat, by the sound of it (6)
• Bird's calling me to fly
• Kitten's sound
• By the sound of it, the cat might refer to what it flies with
• Litter cries
• Kitten's activity
• Catcalls making setter fly?