Related Clues:
- Stacks, as matryoshka dolls
- Ink containers for squids
- Positions for machineguns turned back to centre
- Alligator homes
- Pouchlike structures
- Birds' lodgings
- Homes for warblers and wasps
- Beneficial baseball outs, for short
- Fledglings' homes
- Hawks' hangouts
- Marsupia
- Where birds settle down
- Arboreal homes
- Some flies or bunts, for short
- Flight destinations?