Related Clues

• Idiots
• Dummies
• Grounded birds
• Blockheads
• Geniuses they're not
• Birds clubbed to extinction
• Dumbbells
• Extinct flock
• Dim bulbs, so to speak
• Numbskulls
• Dunderheads
• Brainless bunch
• Ding-a-lings
• Ninnies
• Clumsy extinct birds
• Extinct birds
• Chuckleheads
• Long-gone birds
• Some extinct birds
• Long-extinct birds