1. 雕   flamingo   penguin   ostrich   vulture   Hint Half-n-half Clue   2. 火鸡   ostrich   penguin   quail   turkey   Half-n-half Clue   3. 天鹅   swan   owl   duck   ostrich   Half-n-half Clue   4. 鹈鹕   goose   stork   dove   pelican   Half-n-half Clue   5. 鸡   dove   seagull   chicken   peacock   Half-n-half Clue   6. 驼鸟   eagle   quail   ostrich   vulture   Half-n-half Clue   7. 鸭子   cuckoo   duck   vulture   ostrich   Half-n-half Clue