Related Clues:

• Fit (in)
• Site for brooding
• Robin's digs
• Diet of worms locale?
• House of twigs
• Home on a branch
• Bird sanctuary?
• Owl's home
• Abode for a bird
• Place to brood
• Bird house
• Canary island?
• Fit together snugly
• Termitarium, e.g.
• Kind of egg or its place