Possible Clues:

• Nothing odd about bird being late
• Hairstyle event that's dead now
• Bird on the Mauritian coat of arms
• Dumb ox
• If you perform it twice the same way you'll get the bird
• Birdbrain, or extinct bird
• No Einstein
• Onetime native of Mauritius
• Repetitive extinct animal
• I'm among Carroll's characters — those corresponding to Carl, in his real name