Related Clues:

• Flightless bird of yore
• Bygone flightless bird
• Extinct kiwi kin
• Bird extinct since the late 17th century
• Extinct bird, or birdbrain
• Wingless bird
• Emu's extinct relative
• Extinct bird of New Zealand
• Extinct, flightless bird
• Kiwi's extinct kin
• Extinct ''Wonderland'' bird
• Another dunderhead
• Pigeon's erstwhile kin
• Bygone Mauritian bird
• Kiwi's late kin