1. pingüim   vulture   flamingo   penguin   duck   Hint Half-n-half Clue   2. avestruz   chicken   ostrich   quail   eagle   Half-n-half Clue   3. corvo, gralha   crow   chicken   penguin   owl   Half-n-half Clue   4. codorna, codorniz   swallow   crow   cuckoo   quail   Half-n-half Clue   5. frango   cuckoo   chicken   penguin   ostrich   Half-n-half Clue   6. pato   duck   chicken   crow   flamingo   Half-n-half Clue   7. gaivota   peacock   seagull   pelican   quail   Half-n-half Clue