No-brain
Else clues• Ditz
• Ditzy type
• Dolt
• Dumbbell
• Dunce
• Featherbrain
• Flighty one
• Fool
• Help protecting flightless bird, one who isn't very smart (7)
• I heard a ditz
• Mindless individual
• Ninny
• No deep thinker
• Numbskull
• Scatterbrain
• Support catching flightless bird, silly (7)