1. gorrión   dove   sparrow   ostrich   chicken   Hint Half-n-half Clue   2. pato   duck   crow   sparrow   swan   Half-n-half Clue   3. pingüino   owl   penguin   stork   sparrow   Half-n-half Clue   4. cuclillo, cuco   swallow   quail   cuckoo   seagull   Half-n-half Clue   5. águila   ostrich   peacock   eagle   turkey   Half-n-half Clue   6. búho, lechuza   parrot   stork   ostrich   owl   Half-n-half Clue   7. cisne   swan   eagle   quail   ostrich   Half-n-half Clue