1. gaviota   vulture   seagull   quail   dove   Hint Half-n-half Clue   2. papagayo, cotorra   peacock   parrot   quail   pelican   Half-n-half Clue   3. gorrión   ostrich   peacock   sparrow   pelican   Half-n-half Clue   4. cuervo, corneja   eagle   stork   goose   crow   Half-n-half Clue   5. avestruz   goose   swallow   flamingo   ostrich   Half-n-half Clue   6. pato   pelican   vulture   duck   goose   Half-n-half Clue   7. cuclillo, cuco   cuckoo   vulture   swallow   penguin   Half-n-half Clue