1. DOG   DOE   TIGRESS   BITCH   PEN   Hint Half-n-half Clue   2. SWAN   VIXEN   SOW   HEN   PEN   Half-n-half Clue   3. ELEPHANT   TIGRESS   COW   HEN   MARE   Half-n-half Clue   4. TIGER   MARE   TIGRESS   COW   DOE   Half-n-half Clue   5. PIGEON   HEN   MARE   VIXEN   JENNY   Half-n-half Clue   6. HORSE   VIXEN   PEN   JENNY   MARE   Half-n-half Clue   7. SHEEP   DOE   JENNY   EWE   SOW   Half-n-half Clue