1. つばめ   dove   quail   swallow   chicken   Hint Half-n-half Clue   2. はくちょう   quail   vulture   swan   ostrich   Half-n-half Clue   3. はと   dove   duck   chicken   owl   Half-n-half Clue   4. かも、あひる   owl   duck   swan   swallow   Half-n-half Clue   5. からす   chicken   crow   ostrich   owl   Half-n-half Clue   6. わし   eagle   crow   owl   peacock   Half-n-half Clue   7. こうにわとり   chicken   crow   eagle   swan   Half-n-half Clue