Related Clues:

• Birds that brood
• Some "Chicken Run" extras
• Cooped-up cacklers
• Farmyard fowl
• Sources of scarce teeth
• Barnyard biddies
• Ones who brood
• Ones in a pecking order
• Many are cooped up
• Egg sources
• European trio in a Christmas song
• Birds in a clutch
• Ones among the coop populace
• Coop matriarchs
• Domestic fowls