Related Clues:
- Bunnies' birthplaces
- Bird hangouts
- Packs, as a set of mixing bowls
- Pollen is produced in them
- Treetop homes
- Fits snugly inside
- Resting places for frequent fliers?
- Frequent landing spots
- Homes established in a partnership
- Wasp creations
- Places to rear the young?
- Pollen containers
- Robins' homes
- Takeoff points for many test flights
- Residences for cardinals