1. 駝鳥   dove   swan   ostrich   swallow   Hint Half-n-half Clue   2. 燕   swallow   swan   peacock   quail   Half-n-half Clue   3. 鳩   dove   peacock   parrot   goose   Half-n-half Clue   4. 梟   chicken   owl   ostrich   crow   Half-n-half Clue   5. 鸚鵡   seagull   swallow   eagle   parrot   Half-n-half Clue   6. 孔雀   peacock   parrot   chicken   swallow   Half-n-half Clue   7. 鷲   goose   eagle   peacock   swallow   Half-n-half Clue