YOU SAID:
I'm the biggest bird.
INTO JAPANESE
私は一番大きな鳥です。
BACK INTO ENGLISH
I am the biggest bird
INTO JAPANESE
私は一番大きな鳥です
BACK INTO ENGLISH
i am the biggest bird
INTO JAPANESE
私は一番大きな鳥です
BACK INTO ENGLISH
i am the biggest bird
That didn't even make that much sense in English.