Related Clues:
- Where many tweets originate
- They might take a few swallows
- Fits together snugly
- Positions of machine-guns swivelling, then heading for heart
- They're built in birdhouses
- Birds' refuges
- Snug hideaways
- Hatchlings' hangouts
- Homes built in spring succeeded in goals
- Locales of wasps and spies
- Alligator constructions
- Aviary homes
- Gators' digs
- Homes with lots of sticks
- Houses for grouses