Related Clues:

• Old coot
• Bygone bird
• Eccentric old-timer
• Long-gone bird
• Symbol of density
• Erstwhile bird
• Clumsy extinct bird
• Flightless bird of yore
• Bygone flightless bird
• Bird extinct since the late 17th century
• Extinct bird, or birdbrain
• Old codger
• Extinct, flightless bird
• Extinct ''Wonderland'' bird
• Another dunderhead