1. nora   nest   burrow   hole   cave   Hint Half-n-half Clue   2. gnezdó   burrow   nest   shed   hole   Half-n-half Clue   3. ptichij vol'er   burrow   hole   apiary   aviary   Half-n-half Clue   4. ustojchivyj   aviary   apiary   stable   shed   Half-n-half Clue   5. paseka   apiary   hole   aviary   shed   Half-n-half Clue   6. podzemél’je   burrow   cage   cave   aviary   Half-n-half Clue   7. kletka   apiary   cage   cave   nest   Half-n-half Clue