YOU SAID:
Why do birds have wings and feathers
INTO JAPANESE
なぜ鳥は羽と羽を持っているのですか
BACK INTO ENGLISH
Why do birds have wings and wings
INTO JAPANESE
なぜ鳥は翼と翼を持っているのですか
BACK INTO ENGLISH
Why do birds have wings and wings
That didn't even make that much sense in English.