YOU SAID:

I have a chicken who is male in my backpack.

INTO JAPANESE

私のバックパックには雄のニワトリが入っています。

BACK INTO ENGLISH

I have a male chicken in my backpack.

INTO JAPANESE

バックパックの中に雄のニワトリが入っています。

BACK INTO ENGLISH

I have a male chicken in my backpack.