1. 駝鳥   ostrich   chicken   turkey   owl   Hint Half-n-half Clue   2. 鵝   chicken   crow   goose   vulture   Half-n-half Clue   3. 杜鵑   cuckoo   flamingo   goose   seagull   Half-n-half Clue   4. 貓頭鷹   quail   owl   swan   duck   Half-n-half Clue   5. 烏鴉   sparrow   goose   seagull   crow   Half-n-half Clue   6. 鸚鵡   owl   flamingo   parrot   goose   Half-n-half Clue   7. 燕子   chicken   flamingo   swallow   stork   Half-n-half Clue