Possible Clues:

• The old bird functions
• One who's not swift
• 'Alice in Wonderland' character
• Party swallowing overdose, he's no longer alive
• ___ bird
• Nothing odd about bird being late
• Hairstyle event that's dead now
• Square dances?
• If you perform it twice the same way you'll get the bird
• Great bird mimic's just the same as the original