1. 鷲   eagle   chicken   owl   quail   Hint Half-n-half Clue   2. 燕   swallow   dove   quail   eagle   Half-n-half Clue   3. 鶉   quail   sparrow   owl   chicken   Half-n-half Clue   4. 梟   owl   seagull   swallow   swan   Half-n-half Clue   5. 鴉   crow   parrot   owl   ostrich   Half-n-half Clue   6. 雀   swallow   ostrich   chicken   sparrow   Half-n-half Clue   7. 白鳥   parrot   swan   peacock   dove   Half-n-half Clue