Related Clues:

• They may be feathered
• They're a nuisance
• Homes for those living in the sticks?
• Little brothers, often
• They may bug you
• Twig-and-mud homes
• Roosts
• Bird berths
• Some egg containers
• Fits like matryoshka dolls
• Bird abodes
• Aeries
• Cheep accommodations?
• Younger brothers, stereotypically
• Termitaria, e.g.