1. Strauß   ostrich   duck   cuckoo   chicken   Hint Half-n-half Clue   2. Schwan   swan   sparrow   turkey   ostrich   Half-n-half Clue   3. Storch   sparrow   stork   penguin   crow   Half-n-half Clue   4. Krähe   eagle   turkey   crow   flamingo   Half-n-half Clue   5. Pinguin   goose   penguin   duck   flamingo   Half-n-half Clue   6. Flamingo   flamingo   seagull   eagle   turkey   Half-n-half Clue   7. Sperling   crow   seagull   sparrow   ostrich   Half-n-half Clue