1. pingüino   swan   parrot   penguin   duck   Hint Half-n-half Clue   2. ganso, oca   ostrich   cuckoo   duck   goose   Half-n-half Clue   3. búho, lechuza   swan   owl   dove   swallow   Half-n-half Clue   4. avestruz   ostrich   parrot   duck   seagull   Half-n-half Clue   5. pavo   goose   chicken   turkey   duck   Half-n-half Clue   6. golondrina   duck   eagle   swallow   seagull   Half-n-half Clue   7. buitre   turkey   goose   parrot   vulture   Half-n-half Clue