1. ダチョウ   cuckoo   ostrich   parrot   sparrow   Hint Half-n-half Clue   2. カッコウ   crow   peacock   parrot   cuckoo   Half-n-half Clue   3. ガチョウ、ガン   flamingo   goose   owl   pelican   Half-n-half Clue   4. べりかん   eagle   pelican   goose   quail   Half-n-half Clue   5. ハクチョウ   sparrow   seagull   quail   swan   Half-n-half Clue   6. ペンギン   pelican   parrot   penguin   peacock   Half-n-half Clue   7. フクロウ   owl   ostrich   crow   stork   Half-n-half Clue